00647naa#a2200181#i#450# EN\\bibl\47270 20251216162856.2 2073-1574 20211118b2021####ek#y0engy0150####ca RU On problem of calculating longitudinal vibrations of piston engine crankshaft Journal article Astrakhan Astrakhan State Technical University 2021 8 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Yamanin Alexander Ivanovich Zhukov Vladimir Anatoljevich vestnik.astu.ru