00739naa#a2200181#i#450# EN\\bibl\43954 20240503063720.5 2686-9896 20220110b2022####ek#y0engy0150####ca RU DETERMINING THE TECHNICAL CONDITION OF PISTON MACHINES BASED ON THE RESULTS OF MEASURING THE ANGULAR SPEED OF THE SHAFT Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2022 1 с. Journal article local Общие вопросы кибернетики. 28.01 grnti El'hutov Sergey Nikolaevich Lavrik Aleksandr Aleksandrovich angtu.editorum.ru