A.I. Illarionov - Dr.Sc. (Phys.-Math.), Professor, Department of Physics, Irkutsk National Research Technical University E-mail: illarionov.an1952@mail.ru M.S. Ivanov - Senior Lecturer,Department of Scientific and Engineering Disciplines, Zabaikalsky Institute of Railway Transport (Chita) E-mail: vanov.maks@mail.ru