Yu.S. Belov - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU. E-mail: ybs82@mail.ru S.A. Ginzgeimer - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU. E-mail: ginzgeymer@mail.ru M.B. Loginova - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU. E-mail: loginovamb@gmail.com A.V. Ponomarev - Post-graduate Student, Kaluga branch of the Bauman MSTU. E-mail: palex@mail.ru S.V. Rybkin - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU. E-mail: sr@kaluga.net S.G. Gurov - Student, Kaluga branch of the Bauman MSTU. E-mail: gurovSG@gmail.com