Minglibayev Mukhtar Zhumabekovich и Kosherbayeva Aiken Bakutzhanovna (2020) «DIFFERENTIAL EQUATIONS OF PLANETARY SYSTEMS», Academic Journal of Physical and Chemical Sciences, (2), сс. 14–20. доступно на: http://89.250.84.46/reports-science/article/view/725 (просмотрено: 13 декабрь 2025).