A.G. Rozhnev, A.V. Sadovnikov, M.P. Chernyaev
D.A. Bezuglov, I.V. Kalienko, D.V. Mironovich, P.M. Pomortsev
M.V. Zhukov - Post-graduate Student, Penza State University. E-mail: maxim.zh@gmail.com
D.P. Tabakov - Ph. D. (Phys.-Math.), Associate Professor, Department of Bases of Construction and Tecnologies of Radiotechnical Systems, Volga State University of Telecommunications and Informatics (Samara). E-mail: illuminator84@yandex.ru