00659naa#a2200181#i#450# EN\\bibl\64082 20240505194657.7 2686-9896 20230504b2023####ek#y0engy0150####ca RU MEASUREMENT OF THE ANGULAR VELOCITY OF THE SHAFT OF A PISTON MACHINE Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2023 1 с. Journal article local Точная механика. 681 Lavrik Aleksandr Aleksandrovich El'hutov Sergey Nikolaevich angtu.editorum.ru