00577naa#a2200169#i#450# EN\\bibl\49579 20241125212440.1 2223-9987 20220330b2022####ek#y0engy0150####ca RU Modern Management Methods for Privy Railcars Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2022 7 с. Journal article local Электроподвижной состав. 629.423 Sergeeva Tatyana Georgievna atjournal.ru