A.V. Demidovskij , E.A. Babkin

1Higher School of Economics (Nizhny Novgorod, Russia)

M.B. Kaplan, O.V. Melnik, M.B. Nikiforov, D.I. Ustyukov, A.V. Shulyakov

Ryazan State Radio Engineering University n. a. akad. V.F. Utkin (Ryazan, Russia)