TY JOUR TI VELOCITY IMPACT ON THE CHARACTERISTICS OF POLYMER ELASTIC ELEMENTS OF ROLLING STOCK SHOCK ABSORBERS KW shock absorber KW element KW characteristic KW factor KW velocity JO Transport engineering AU Boldyrev, A.P. AU Gurov, A.M. AU Zhirov, P.D. AU Lozbinev, F.Y. PY 2023 IS 2023 PB Bryansk State Technical University