Kulikova N.V., Khmelevskaya V.S., Bondarenko V.V.

M. B. Saikhanov - Ph.D. (Phys.-Math.), Senior Research Scientist, Interdisciplinary Scientific Research Institute H.I. Ibragimov Russian Academy of Sciences (KNII), Grozny

M.B. Saikhanov - Employee of KNII of RAS. E-mail: saikhanov_musa@mail.ru Z.Sh. Gagaeva - Employee of KNII of RAS