Mytrofanov, Oleksandr, Arkadii Proskurin, Andrii Poznanskyi, and Oleksii Zivenko. “Determining the Power of Mechanical Losses in a Rotary-Piston Engine”. Eastern-European Journal of Enterprise Technologies 3, no. 8 (117) (June 30, 2022): 32–38. Accessed January 23, 2026. https://journals.uran.ua/eejet/article/view/256115.