TY JOUR TI Evaluation of Maximal Forces Impacting on Side Slippers of Freight Wagon Cart KW speed wagon KW freight wagon KW cart KW slipper KW strength KW force KW load JO Proceedings of Petersburg Transport University AU Gadzhimetov, G.I. PY 2022 IS 19 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"