Y. Katekov, “ABOUT MOVEMENT OF THE SATELLITE OF THE GROUND AROUND OF THE GROUND”, Rec.Contr.Phys., vol. 2011, no. 4, pp. 76–78, Dec. 2011, Accessed: Jul. 13, 2026. [Online]. Available: https://bph.kaznu.kz/index.php/zhuzhu/article/view/668