00758naa#a2200181#i#450# EN\\bibl\126710 20260630024614.2 2223-9987 20260629b2026####ek#y0engy0150####ca RU Problems and Prospects of Improving the Design and Testing Methods of Three-Axle Trolleys for Freight Cars with Increased Axial Loads (Based on Industrial Transport) Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 20 с. Journal article local Тележки с числом осей более двух. 629.4.027.25 Petrov Daniil Yur'evich Boronenko Yuriy Pavlovich atjournal.ru