00575naa#a2200169#i#450# EN\\bibl\50546 20241223020900.1 2073-1574 20220519b2022####ek#y0engy0150####ca RU Evaluating reliability of tribosystems based on unsteady operating modes Journal article Astrakhan Astrakhan State Technical University 2022 5 с. Journal article local Инженерное дело. Техника в целом. 62 Klimenko Nikolay Petrovich vestnik.astu.org