R.A. Torgashov – Research Trainee,
Saratov Branch of Kotelnikov Institute of Radio Engineering and Electronics;
Post-graduate student, Saratov State University n.a. N.G. Chernyshevskii
E-mail: torgashovra@gmail.com
G.V. Torgashov – Ph.D. (Phys.-Math.), Leading Research Scientist,
Saratov Branch of Kotelnikov Institute of Radio Engineering and Electronics
N.M. Ryskin – Dr.Sc. (Phys.-Math.), Professor, Head of Laboratory,
Saratov Branch of Kotelnikov Institute of Radio Engineering and Electronics
A.G. Rozhnev – Ph.D. (Phys.-Math.), Senior Research Scientist,
Saratov Branch of Kotelnikov Institute of Radio Engineering and Electronics