Malkov, E., Bekov, A., Momynov, S., Beckmuhamedov, I., Kurmangaliyev, D., Mukametzhan, A., & Orynqul, I. (2020). INVESTIGATION OF TWO FIXED CENTERS PROBLEM AND HENON-HEILES POTENTIAL BASED ON THE POINCARE SECTION. Доклады НАН РК. Физико-математическая серия, (1), 55–61. извлечено от https://journals.nauka-nanrk.kz/physics-mathematics/article/view/392