00704naa#a2200181#i#450# EN\\bibl\126713 20260630011354.2 2223-9987 20260629b2026####ek#y0engy0150####ca RU Optimization of Spring Suspension Parameters and Evaluation of Dynamic Performance of a High-Speed Electric Train Car Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2026 14 с. Journal article local Рессорное подвешивание. 629.4.027.3 Savos'kin Anatoliy Nikolaevich Lavlinskaya Natalia Sergeevna atjournal.ru