Demchenko, B., Komarov, A., Serebryanskiy, A., Usoltseva, L., & Akniyazov, C. (2017). Peculiarities of movement of geostationary satellites. Recent Contributions to Physics, 62(3), 59–66. Retrieved from https://bph.kaznu.kz/index.php/zhuzhu/article/view/565