Irgashevich , Irgashev Amirkul, and Qurbonov Behzod Bahodir o‘g‘li. “Investigate of Wear Resistance Pair Consisting of Cam Profile of Gas Distribution Camshaft and Roller of Pusher”. Miasto Przyszłości 56 (January 8, 2025): 180–183. Accessed March 11, 2025. https://miastoprzyszlosci.com.pl/index.php/mp/article/view/5988.