00636naa#a2200181#i#450# EN\\bibl\126802 20260701150959.3 1815-588X 20260630b2026####ek#y0engy0150####ca RU Improving of Controllability for Freight Train Pneumatic Braking System Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 14 с. Journal article local Моторные вагоны. 629.423.25 Tanaev Valeriy Faritovich Rogov Aleksandr Mihaylovich itt-pgups.ru