федеральное государственное автономное образовательное учреждение высшего образования
«Самарский национальный исследовательский университет имени академика С.П. Королева»

Kharitonov, Sergey I.

  • Department of Nanoengineering, professor
  • Department of Technical Cybernetics, leading researcher
2023
  • 1 Kharitonov S.I., Pavelyev V.S., Kazanskiy N.L. etc. Optimization, fabrication and characterization of a binary subwavelength cylindrical terahertz lens // Computer Optics 2023. — Vol. 47. Issue 1. № 1. — P. 62-67
  • 2 Khonina S.N., Ustinov A.V., Kharitonov S.I. etc. Optical Bottle Shaping Using Axicons with Amplitude or Phase Apodization // PHOTONICS 2023. — Vol. 10. Issue 2. № 2.
  • 3 Kharitonov S.I., Fursov V.A. Computer simulation of diffractive imaging lenses using hyperspectral images // Computer Optics 2023. — Vol. 47. Issue 5. № 5. — P. 725-733
2009
  • 1 Dmitriev A.Y., Doskolovich L.L., Kharitonov S.I. etc. Geometric-optics design of optical elements to produce a line focus // Computer Optics 2009. — Vol. 33. Issue 2. — P. 122-128
  • 2 Dmitriev A.Y., Doskolovich L.L., Kharitonov S.I. Geometric-optics design of diffractive optical elements to focus into a plane line // Computer Optics 2009. — Vol. 33. Issue 4. — P. 420-426
  • 3 Bezus E.A., Doskolovich L.L., Kazanskiy N.L. etc. The design of the diffractive optical elements to focus surface plasmons // Computer Optics 2009. — Vol. 33. Issue 2. — P. 185-192
1991
  • 1 Golub M.A., Doskolovich L.L., Kazanskiy N.L. etc. Focusators at letters diffraction design // Proceedings of SPIE - The International Society for Optical Engineering. — 1991. — Vol. 1500. — P. 211-221
  • 2 Golub M.A., Doskolovich L.L., Kazanskiy N.L. etc. Computational experiment for computer generated optical elements // Ultrafast Nonlinear Imaging and Spectroscopy VI - Proceeding of SPIE. — 1991. — Vol. 1500. — P. 194-206
  • 3 Doskolovich L.L., Kazanskiy N.L., Kharitonov S.I. etc. Focusators for laser-branding // Optics and Lasers in Engineering 1991. — Vol. 15. Issue 5. — P. 311-322
1992
  • 1 Golub M.A., Doskolovich L.L., Kazanskiy N.L. etc. Computer generated diffractive multi-focal lens // Journal of Modern Optics 1992. — Vol. 39. Issue 6. — P. 1245-1251
  • 2 Golub M.A., Doskofovich L.L., Soifer V.A. etc. Diffraction approach to the synthesis of multifunctional phase elements // Optics and Spectroscopy (English translation of Optika i Spektroskopiya) 1992. — Vol. 73. Issue 1. — P. 111-113
1993
  • 1 Doskolovich Leonid L., Golub Mikhail A., Kazanskiy Nikolay L. etc. Diffraction investigation of focusators into plane area // Proceedings of SPIE - The International Society for Optical Engineering. — 1993. — Vol. 1983. Issue pt 2. — P. 656-657
  • 2 Soifer V.A., Doskolovich L.L., Golub M.A. etc. Multifocal and combined diffractive elements // Ultrafast Nonlinear Imaging and Spectroscopy VI - Proceeding of SPIE. — 1993. — Vol. 1992. — P. 226-234
1995
1996
  • 1 Kazanskiy N.L., Kharitonov S.I., Soifer V.A. Application of a pseudogeometrical optical approach for calculation of the field formed by a focusator // Optics and laser technology 1996. — Vol. 28. Issue 4 SPEC. ISS.. — P. 297-300
  • 2 Doskolovich L.L., Kazansky N.L., Kharitonov S.I. etc. A method of designing diffractive optical elements focusing into plane areas // Journal of Modern Optics 1996. — Vol. 43. Issue 7. — P. 1423-1433
1997
  • 1 Doskolovich L.L., Kharitonov S.I., Petrova O.I. etc. Gradient method for the design of multiorder diffraction gratings using the Rayleigh method // Proceedings of SPIE - The International Society for Optical Engineering. — 1997. — Vol. 3110. — P. 725-733
  • 2 Doskolovich L.L., Kharitonov S.I., Petrova O.I. etc. Design of multiorder diffraction gratings using the Rayleigh method // Proceedings of SPIE - The International Society for Optical Engineering. — 1997. — Vol. 3348. — P. 13-21
1998
  • 1 Soifer V.A., Kazanskiy N.L., Kharitonov S.I. Synthesis of a binary DOE focusing into an arbitrary curve, using the electromagnetic approximation // Optics and Lasers in Engineering 1998. — Vol. 29. Issue 4-5. — P. 237-247
  • 2 Doskolovich L.L., Kharitonov S.I., Petrova O.I. etc. A gradient method for design of multiorder varied-depth binary diffraction gratings // Optics and Lasers in Engineering 1998. — Vol. 29. Issue 4-5. — P. 249-259
2004
2005
  • 1 Doskolovich L.L., Kharitonov S.I. Calculating the surface shape of mirrors for shaping an image in the form of a line // Journal of Optical Technology 2005. — Vol. 72. Issue 4. — P. 318-321
  • 2 Doskolovich L.L., Kazanskiy N.L., Kharitonov S.I. etc. Designing reflectors to generate a line-shaped directivity diagram // Journal of Modern Optics 2005. — Vol. 52. Issue 11. — P. 1529-1536
2008
  • 1 Belousov A.A., Doskolovich L.L., Kharitonov S.I. A gradient method of designing optical elements for forming a specified irradiance on a curved surface // Journal of Optical Technology 2008. — Vol. 75. Issue 3. — P. 161-165
  • 2 Dmitriev A.Y., Doskolovich L.L., Kharitonov S.I. Asymptotic computation of the light field intensity for a diffractive optical element to focus into a line // Computer Optics 2008. — Vol. 32. Issue 2. — P. 195-200
  • 3 Doskolovich L.L., Kazanskiy N.L., Kharitonov S.I. Solution of Maxwell’s equations in the integral form of a spectrum of surface plasmons // Computer Optics 2008. — Vol. 32. Issue 2. — P. 151-154
  • 4 Dmitriev A.Y., Doskolovich L.L., Kharitonov S.I. The design of the diffractive optical element to focus into a line in noparaxial case // Computer Optics 2008. — Vol. 32. Issue 4. — P. 343-347
2010
  • 1 DOSKOLOVICh L.L., KAZANSKIY N.L., KhARITONOV S.I. Интегральные представления решений системы уравнений Максвелла для анизотропных сред // Computer Optics 2010. — № т.34,№1. — P. 52-57
  • 2 Bezus E.A., Doskolovich L.L., Kazanskiy N.L. etc. Design of diffractive lenses for focusing surface plasmons // Journal of Optics A: Pure and Applied Optics 2010. — Vol. 12. Issue 1.
  • 3 Doskolovich L.L., Kazanskiy N.L., Kharitonov S.I. Integral representations for solutions of maxwell’s equations for anisotropic media // Computer Optics 2010. — Vol. 34. Issue 1. — P. 52-57
2022
  • 1 Rastorguev A.A., Kharitonov S.I., Kazanskiy N.L. Numerical simulation of the performance of a spaceborne Offner imaging hyperspectrometer in the wave optics approximation // Computer Optics 2022. — Vol. 46. Issue 1. — P. 56-64
  • 2 Kharitonov S., Fursov V. Computer Simulation of Image Formation by Diffraction Lens // Optical Memory and Neural Networks (Information Optics) 2022. — Vol. 31. — P. 31-37
  • 3 Kharitonov S.I., Kazanskiy N.L., Volotovsky S.G. etc. Calculation of quantum characteristics based on the classical solution of the diffraction problem in a resonator with a dielectric plate // Computer Optics 2022. — Vol. 46. Issue 5. № 5. — P. 741-751
2012
  • 1 Khonina S.N., Zoteeva O.V., Kharitonov S.I. Nonparaxial propagation of Gaussian beams on the angle to the axis of the anisotropic crystal // Computer Optics 2012. — Vol. 36. Issue 3. — P. 346-356
  • 2 KAZANSKIY N.L., KhARITONOV S.I. О прохождении пространственно-ограниченных широкополосных радиально-симметричных сфокусированных импульсов через тонкую плёнку // Computer Optics 2012. — № 36(1). — P. 4-13
  • 3 KAZANSKIY N.L., VOLOTOVSKIY S.G., KhARITONOV S.I. etc. Расчёт энергетического спектра сложных низкоразмерных гетероструктур в присутствии электрического поля // Computer Optics 2012. — № 36(1). — P. 27-33
  • 4 Khonina S.N., Volotovskiy S. G. , Kharitonov S.I. etc. Calculation of the power spectrum of complex low-dimensional heterostructures in the presence of electric field // Computer Optics 2012. — Vol. 36. Issue 1. — P. 27-33
  • 5 KhONINA S. N., KhARITONOV S.I. Аналог интеграла Рэлея-Зоммерфельда для анизотропной и гиротропной сред // Computer Optics 2012. — № 36(2). — P. 172-182
  • 6 Kazanskiy N.L., Khonina S.N., Kharitonov S.I. The theory of indignations for Schrodinger equation in the periodic environment in momentum representation representation // Computer Optics 2012. — Vol. 36. Issue 1. — P. 21-26
  • 7 Khonina S.N., Kharitonov S.I. Analogue of rayleigh-sommerfeld integral for anisotropic and gyrotropic media // Computer Optics 2012. — Vol. 36. Issue 2. — P. 172-182
  • 8 KhONINA S. N., KhARITONOV S.I., ZOTEEVA O.V. Непараксиальное распространение гауссовых пучков под углом к оси анизотропного кристалла // Computer Optics 2012. — № 36(3). — P. 346-356
  • 9 KhONINA S. N., KAZANSKIY N.L., KhARITONOV S.I. Теория возмущений для уравнения Шрёдингера в периодической среде в квазиимпульсном представлении // Computer Optics 2012. — № 36(1). — P. 21-26
  • 10 Kazanskiy N.L., Kharitonov S.I. Transmission of the space-limited broadband symmetrical radial pulses focused through a thin film // Computer Optics 2012. — Vol. 36. Issue 1. — P. 4-13
  • 11 Kazanskiy N.L., Kharitonov S.I., Khonina S.N. Joint solution of the klein-gordon and maxwell's equations // Computer Optics 2012. — Vol. 36. Issue 4. — P. 518-526
2013
  • 1 KhARITONOV S.I., KAZANSKIY N.L., FURSOV V.A. etc. Моделирование рассеяния электромагнитного поля от техногенных обьектов на подстилающих поверхностях // Computer Optics 2013. — № Том 37, N1. — P. 91-98
  • 2 Zherdev D.A., Kazanskiy N.L., Fursov V.A. etc. Electromagnetic field scattering simulation from anthropogenic objects on underlying surface // Computer Optics 2013. — Vol. 37. Issue 1. — P. 91-98
  • 3 Khonina S.N., Kharitonov S.I. An analog of the Rayleigh-Sommerfeld integral for anisotropic and gyrotropic media // Journal of Modern Optics 2013. — Vol. 60. Issue 10. — P. 814-822
  • 4 Khonina S.N., Volotovskiy S. G. , Kharitonov S.I. Features of nonparaxial propagation of Gaussian and bessel beams along the axis of the crystal // Computer Optics 2013. — Vol. 37. Issue 3. — P. 297-306
  • 5 Khonina S.N., Volotovskiy S. G. , Kharitonov S.I. etc. Calculating the energy spectrum of complex low-dimensional heterostructures in the electric field // The Scientific World Journal 2013. — Vol. 2013.
2014
  • 1 Kazanskiy N.L., Kharitonov S.I., Khonina S.N. Simulation of a hyperspectrometer based on linear spectral filters using vector bessel beams // Computer Optics 2014. — Vol. 38. Issue 4. — P. 770-776
  • 2 Kazanskiy N.L., Kharitonov S.I., Khonina S.N. etc. Simulation of spectral filters used in hyperspectrometer by decomposition on vector Bessel modes // Proceedings of SPIE - The International Society for Optical Engineering. — 2014. — Vol. 9533.
  • 3 Kazanskiy N.L., Kharitonov S.I., Khonina S.N. etc. Simulation of hyperspectrometer on spectral linear variable filters // Computer Optics 2014. — Vol. 38. Issue 2. — P. 256-270
  • 4 Kazanskii N.L., Khonina S.N., Skidanov R.V. etc. Formation of images using multilevel diffractive lens // Computer Optics 2014. — Vol. 38. Issue 3. — P. 425-434
  • 5 Kazanskiy N.L., Kharitonov S.I., Karsakov A.V. etc. Modeling action of a hyperspectrometer based on the Offner scheme within geometric optics // Computer Optics 2014. — Vol. 38. Issue 2. — P. 271-280
2015
  • 1 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. etc. A differential method for calculating x-ray diffraction by crystals: The scalar theory // Computer Optics 2015. — Vol. 39. Issue 4. — P. 469-479
  • 2 Doskolovich L.L., Golovastikov N.V., Bykov D.A. etc. Resonant approximation of phase-shifted bragg grating (PSBG) spectra // Computer Optics 2015. — Vol. 39. Issue 3. — P. 311-318
  • 3 Khonina S.N., Kharitonov S.I. Comparative investigation of nonparaxial mode propagation along the axis of uniaxial crystal // Journal of Modern Optics 2015. — Vol. 62. Issue 2. — P. 125-134
  • 4 Kazanskiy N.L., Kharitonov S.I., Doskolovich L.L. etc. Modeling the performance of a spaceborne hyperspectrometer based on the offner scheme // Computer Optics 2015. — Vol. 39. Issue 1. — P. 70-76
  • 5 Karpeev S.V., Khonina S.N., Kharitonov S.I. Study of the Diffraction Grating on a Convex Surface as a Dispersive Element // Computer Optics 2015. — Vol. 39. Issue 2. — P. 211-217
  • 6 Khonina S.N., Kharitonov S.I., Zoteeva O.V. Sharp focusing of laser beams in anisotropic uniaxial crystals // Journal of Optical Technology 2015. — Vol. 82. Issue 4. — P. 212-219
2016
  • 1 Kharitonov S.I., Kazanskiy N.L., Doskolovich L.L. etc. Modeling the reflection of the electromagnetic waves at a diffraction grating generated on a curved surface // Computer Optics 2016. — Vol. 40. Issue 2. — P. 194-202
  • 2 Abulkhanov S.R., Kharitonov S.I. An information-measuring system for evaluating performance parameters of lighting devices // Proceedings of SPIE - The International Society for Optical Engineering. — 2016. — Vol. 9807.
  • 3 Doskolovich L.L., Andreev E.S., Kharitonov S.I. etc. Reconstruction of an optical surface from a given source-target map // Journal of the Optical Society of America A: Optics and Image Science, and Vision 2016. — Vol. 33. Issue 8. — P. 1504-1508
  • 4 Kharitonov S.I., Doskolovich L.L., Kazanskiy N.L. Solving the inverse problem of focusing laser radiation in a plane region using geometrical optics // Computer Optics 2016. — Vol. 40. Issue 4. — P. 439-450
  • 5 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. Geometric-optical calculation of the focal spot of a harmonic diffractive lens // Computer Optics 2016. — Vol. 40. Issue 3. — P. 331-337
  • 6 Kharitonov S.I., Kazanskiy N.L., Volotovskiy S. G. etc. Calculating x-ray diffraction on crystals by means of the differential method // Proceedings of SPIE - The International Society for Optical Engineering. — 2016. — Vol. 9807.
2017
  • 1 Kharitonov S.I., Doskolovich L.L. , Kazanskij N.L. Асимптотический метод решения задач дифракции на непериодических структурах // Computer Optics 2017. — Vol. 41. № 2. — P. 160-168
  • 2 Kharitonov S.I. , Volotovskiy S.G., Khonina S.N. Гибридный асимптотический метод анализа каустик оптических элементов в радиально-симметричном случае // Computer Optics 2017. — Vol. 41. Issue -. № 2. Pt. -. — P. 175-182
  • 3 Rastorguev A.A., Kharitonov S.I., Kazanskij N.L. Моделирование распределения освещённости в плоскости регистратора космического гиперспектрометра, основанного на схеме Оффнера // Computer Optics 2017. — Vol. 41. № 3. — P. 399-405
  • 4 Kharitonov S.I., Doskolovich L.L., Kazanskiy N.L. Asymptotic methods of solving problems of diffraction by non-periodic structures // Computer Optics 2017. — Vol. 41. Issue 2. — P. 160-168
  • 5 Strelkov Y.S., Kharitonov S.I. The study of the basic operating parameters of a hyperspectrometer based on the Offner scheme // Procedia Engineering. — 2017. — Vol. 201. — P. 61-68
  • 6 Khonina S.N., Volotovskiy S. G. , Ustinov A.V. etc. Analysis of focusing light by a harmonic diffractive lens with regard for the refractiive index dispersion // Computer Optics 2017. — Vol. 41. Issue 3. — P. 338-347
  • 7 Khonina S.N., Volotovskiy S.G., Ustinov A.V. etc. Анализ фокусировки гармонической дифракционной линзой с учётом дисперсии показателя преломления // Computer Optics 2017. — Vol. 41. № 3. — P. 338-347
  • 8 Kharitonov S.I. An asymptotic method for solving problems of diffraction by diffractive optical elements with zone structure // Procedia Engineering. — 2017. — Vol. 201. — P. 24-35
  • 9 Ridha H.S.M., Kharitonov S.I., Pavelyev V.S. Prognostic modeling of the curvilinear graphene selective hydrogenation process for the formation of optical scheme components fornanophotonics // CEUR Workshop Proceedings. — 2017. — Vol. 1900. — P. 16-19
  • 10 Rastorguev A.A., Kharitonov S.I., Kazanskiy N.L. Modeling the illuminance distribution in the detection plane of a spaceborne Offner hyperspectrometer // Computer Optics 2017. — Vol. 41. Issue 3. — P. 399-405
  • 11 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. Hybrid asymptotic method for analyzing caustics of optical elements in the axially symmetric case // Computer Optics 2017. — Vol. 41. Issue 2. — P. 175-182
  • 12 Kharitonov S.I. Geometrical optics solutions of the inverse problem of focusing laser light into plane regions // Proceedings of SPIE - The International Society for Optical Engineering. — 2017. — Vol. 10342.
2018
  • 1 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. etc. Propagation of electromagnetic pulses and calculation of dynamic invariants in a waveguide with a convex shell // Computer Optics 2018. — Vol. 42. Issue 6. — P. 947-958
  • 2 Rastorguev A.A., Kharitonov S.I., Kazanskiy N.L. Modeling of arrangement tolerances for the optical elements in a spaceborne offner imaging hyperspectrometer // Computer Optics 2018. — Vol. 42. Issue 3. — P. 424-431
  • 3 Krasnov S. V. , Kharitonov S.I. Research of mode pulses propagation in a waveguide with a one-dimensional diffraction grating // Journal of Physics: Conference Series. — 2018. — Vol. 1096. Issue 1.
  • 4 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. Calculation of the angular momentum of an electromagnetic field inside a waveguide with absolutely conducting walls // Computer Optics 2018. — Vol. 42. Issue 4. — P. 588-605
  • 5 Ridha Hussain S.M., Kharitonov S.I., Pavelyev V.S. Calculation of the band structure of a non-chiral semiconductor and metallic carbon nanotubes // Journal of Physics: Conference Series. — 2018. — Vol. 1096. Issue 1.
  • 6 Krasnov S. V. , Kharitonov S.I. Comparative modeling of focusing of femtosecond pulses // Proceedings of SPIE - The International Society for Optical Engineering. — 2018. — Vol. 10774.
  • 7 Kazanskiy N.L., Kharitonov S.I., Kozlova I.N. etc. The connection between the phase problem in optics, focusing of radiation, and the monge-kantorovich problem // Computer Optics 2018. — Vol. 42. Issue 4. — P. 574-587
  • 8 Kharitonov S.I., Kazanskiy N.L., Gornostay A.V. etc. Modeling the reflection of electromagnetic waves at diffraction gratings applied on a freeform surfaces // Proceedings of SPIE - The International Society for Optical Engineering. — 2018. — Vol. 10774.
  • 9 Kharitonov S.I., Khonina S.N. Conversion of a conical wave with circular polarization into a vortex cylindrically polarized beam in a metal waveguide // Computer Optics 2018. — Vol. 42. Issue 2. — P. 197-211
  • 10 Rastorguev A.A., Kharitinov S.I., Kazanskiy N.L. Estimation of permissible technological errors in the arrangement of optical elements for the hyperspectrometer according to the Offner's scheme // Journal of Physics: Conference Series. — 2018. — Vol. 1096. Issue 1.
2019
  • 1 Soifer V.A., Kharitonov S.I., Khonina S.N. etc. Caustics of Vortex Optical Beams // Doklady Physics 2019. — Vol. 64. Issue 7. — P. 276-279
  • 2 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. Catastrophe theory and caustics of radially symmetric beams // Computer Optics 2019. — Vol. 43. Issue 2. — P. 159-167
  • 3 Rastorguev A.A., Kharitinov S.I. Analytical calculation of diffraction order intensities for a hyperspectrometer // Journal of Physics: Conference Series. — 2019. — Vol. 1368. Issue 2.
  • 4 Khonina S.N., Kharitonov S.I., Volotovskiy S. G. etc. Analysis of characteristics of paraxial vector gaussian beams affecting the formation of microstructures in an azopolymer // Computer Optics 2019. — Vol. 43. Issue 5. — P. 780-788
  • 5 Hussein S.M.R.H., Kharitonov S.I., Kazanskiy N.L. etc. Modeling the electron-photon interaction in monolayers of graphene and transition metal dichalcogenides in a tight binding approximation // Journal of Physics: Conference Series. — 2019. — Vol. 1368. Issue 2.
  • 6 Kharitonov S.I., Volotovskiy S. G. , Khonina S.N. etc. Diffraction catastrophes and asymptotic analysis of caustics from axisymmetric optical elements // Proceedings of SPIE - The International Society for Optical Engineering. — 2019. — Vol. 11146.
2020
  • 1 Rastorguev A.A., Kharitonov S.I., Kazanskiy N.L. Modeling of image formation with a space-borne offner hyperspectrometer // Computer Optics 2020. — Vol. 44. Issue 1. — P. 12-21
  • 2 Kharitonov S., Kazanskiy N., Frize A. Calculating the band structure of an array of spherical quantum dots // Proceedings of ITNT 2020 - 6th IEEE International Conference on Information Technology and Nanotechnology. — 2020. —
  • 3 Khonina S.N., Kharitonov S.I., Volotovskiy S. G. Evaluating the influence of the refractive index dispersion of a harmonic lens on focusing properties // Proceedings of SPIE - The International Society for Optical Engineering. — 2020. — Vol. 11516.
  • 4 Kharitonov S.I., Khonina S.N., Volotovskiy S. G. etc. Caustics of the vortex beams generated by vortex lenses and vortex axicons // Journal of the Optical Society of America A: Optics and Image Science, and Vision 2020. — Vol. 37. Issue 3. — P. 476-482
2021
  • 1 Khonina S.N., Kharitonov S.I., Volotovskiy S.G. etc. Caustics of non-paraxial perfect optical vortices generated by toroidal vortex lenses // PHOTONICS 2021. — Vol. 8. Issue 7.
  • 2 Kharitonov S.I., Khonina S.N., Kazanskiy N.L. Field quantization in a waveguide with freeform cladding // Proceedings of SPIE - The International Society for Optical Engineering. — 2021. — Vol. 11793.
  • 3 Soifer V.A., Kharitonov S.I., Khonina S.N. etc. Spiral caustics of vortex beams // PHOTONICS 2021. — Vol. 8. Issue 1. — P. 1-20
  • 4 Pavelev A. V. , Semin V. V. , Kharitonov S. Calculation of the resonance fluorescence spectrum for the three-level system in stochastic Schroedinger equation approach // Proceedings of ITNT 2021 - 7th IEEE International Conference on Information Technology and Nanotechnology. — 2021. —
1987
  • 1 Golub M.A., Kazanskii N.L., Sisakyan N.I. etc. DIFFRACTION CALCULATION FOR AN OPTICAL ELEMENT WHICH FOCUSES INTO A RING. // Optoelectronics, Instrumentation and Data Processing 1987. — Issue 6. — P. 7-14