D.G. Chebotarev1, A.A. Ryltsev2, I.I. Naumov3, R.R. Ibadov4

1–4 Don State Technical University (Rostov-on-Don, Russia)

1 chebotarv01@mail.ru; 2 artem12345609@mail.ru; 3 inaumov@donstu.ru; 4 ragim_ibadov@mail.ru