Minglibayev Mukhtar Zhumabekovich, и Kosherbayeva Aiken Bakutzhanovna. «DIFFERENTIAL EQUATIONS OF PLANETARY SYSTEMS». Academic Journal of Physical and Chemical Sciences, no. 2 (апрель 7, 2020): 14–20. просмотрено декабрь 13, 2025. http://89.250.84.46/reports-science/article/view/725.