00860naa#a2200217#i#450# EN\\bibl\110184 20260111111857.7 2223-9987 20251215b2025####ek#y0engy0150####ca RU The Influence of Laser Hardening on the Metallographic and Tribotechnical Properties of Class 55 Steel Used in Diesel Locomotive Camshafts Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 10 с. Journal article local Общие вопросы. Трение в машине. 621.891 Biryukov Vladimir Pavlovich Miryaha Andrey Nikolaevich Yakubovsky Anton Alekseevich Kulakov Oleg Igorevich Goryunov Yaroslav Alekseevich itt-pgups.ru