A.M. Mandel – Ph.D.(Phys.-Math.), Associate Professor, Department of Physics, Moscow State University of Technology «STANKIN»

E-mail: arkadimandel@mail.ru

V.B. Oshurko – Dr.Sc.(Phys.-Math.), Head of Department of Physics, Moscow State University of Technology «STANKIN» E-mail: vbo08@yandex.ru

K.G. Solomakho – Post-graduate Student, Department of Physics, Moscow State University of Technology «STANKIN» E-mail: kirgeosol@gmail.ru