M. T. Abayev, “MASS VARIATION LAWS BY HILL APPROXIMATION IN THE RESTRICTED THREE BODY PROBLEM WITH VARIABLE MASSES”, Rec.Contr.Phys., vol. 2008, no. 1, pp. 139–146, Mar. 2008, Accessed: Jul. 14, 2026. [Online]. Available: https://bph.kaznu.kz/index.php/zhuzhu/article/view/306