@article{El'hutov2022determining, author={El'hutov, S.N. and Lavrik, A.A.}, title={DETERMINING THE TECHNICAL CONDITION OF PISTON MACHINES BASED ON THE RESULTS OF MEASURING THE ANGULAR SPEED OF THE SHAFT}, journal={Modern Technologies and Scientific and Technological Progress}, publisher={Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»}, year={2022}, pages={151-152}, volume={2021}, issue={1}, }