O. S. Litvinov – Dr.Sc. (Phys.-Math.), Professor,
Department of Physics, Bauman Moscow State Technical University
E-mail: oleglitv@mtu-net.ru
D. V. Murodyants – Student,
Department of Physics, Bauman Moscow State Technical University
E-mail: dmitriy1994.94@mail.ru
V. S. Boruta – Ph.D. (Phys.-Math.), Associate Professor,
Department of Physics, Bauman Moscow State Technical University
B. E. Vintaykin – Dr.Sc. (Phys.-Math.), Professor,
Department of Physics, Bauman Moscow State Technical University