K.S. Khorkov - Research Engineer, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: freeod@mail.ru D.A. Kochuev - Research Engineer, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: _b_@mail.ru D.V. Abramov - Ph. D. (Phys.-Math.), Associate Professor, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: awraam@mail.ru A.D. Kornilova - Student, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: anyto4ka18@mail.ru S.M. Arakelyan - Dr. Sc. (Phys.-Math.), Professor, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: arak@vlsu.ru R.V. Chkalov - Student, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: j.larenax@gmail.com V.G. Prokoshev - Dr. Sc. (Phys.-Math.), Professor, Department «Physics and Applied Mathematics», Vladimir State University named after A.&N. Stoletovs. E-mail: prokoshev_vg@vlsu.ru