L.M. Zhuravleva1, A.V.Gorelik2, N.M. Legkiy3, D.A. Abakumov4

1–4 Russian University of Transport (RUT(MIIT)) (Moscow, Russia)
1zhlubov@mail.ru, 2agorelik@yandex.ru, 3legki@rambler.ru, 4dm-abakumov@mail.ru