T.A. Zhilnikov1, V.I. Zhulev2, A.A. Zhilnikov3

1,3 The Academy of the Federal Penitentiary Service of Russia (Ryazan, Russia)

2 FSBEI HE “Ryazan State Radio Engineering University named after V.F. Utkin” (Ryazan, Russia)

1 ark9876@mail.ru