D.V. Kalyabin - Post-graduate Student, Moscow Institute of Physics and Technology, Trainee Researcher, Kotelnikov IRE RAS. E-mail: dmitry.kalyabin@phystech.edu I.V. Lisenkov - Ph.D. (Phys.-Math.), Researcher, Kotelnikov IRE RAS S.A. Osokin - Student, Moscow Institute of Physics and Technology, Engineer, Kotelnikov IRE RAS S.A. Nikitov - Dr.Sc. (Phys. Math.), Correspondent Member RAS, Acting Director, Kotelnikov IRE RAS