Yu.P. Vagin, Yu.B. Kotov, K.S. Mozgov, T.A. Semenova, V.F. Fedorov

R.A. Kazaryan

A.K. Arakelyan, A.A. Arakelyan, A.K. Hambaryan, M.L. Grigoryan, V.V. Karyan, M.R. Manukyan, G. G. Hovhannisyan

S.M. Arakelyan - Dr. Sc. (Phys.-Math.), Professor, Head of Dep., Vladimir State University named after A.&N. Stoletovs. E-mail: arak@vlsu.ru A.F. Galkin - Ph. D. (Phys.-Math.), Professor, Vladimir State University named after A.&N. Stoletovs. E-mail: arkad47@mail.ru S.V. Zhirnova - Senior Lecturer, Vladimir State University named after A.&N. Stoletovs. E-mail: svetlanna_vik@mail.ru A.V. Osipov - Junior Research Scientist, Vladimir State University named after A.&N. Stoletovs. E-mail: patifon@mail.ru@mail.ru

M.V. Polyakov1, A.V. Khoperskov2, A.G. Gudkov3, S.V. Chizhikov4

1,2 Volgograd State University (Volgograd, Russia)

3,4 BMSTU (Moscow, Russia)