KATEKOV, Y. ABOUT MOVEMENT OF THE SATELLITE OF THE GROUND AROUND OF THE GROUND. Recent Contributions to Physics, [S. l.], v. 2011, n. 4, p. 76–78, 2011. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/668. Acesso em: 9 feb. 2026.