Malkov Ewgenii, Bekov Askar, Momynov Serzhan, Beckmuhamedov Ilias., Kurmangaliev Duman, Mukametzhan Aidana, Orynqul Iltefat. INVESTIGATION OF TWO FIXED CENTERS PROBLEM AND HENON-HEILES POTENTIAL BASED ON THE POINCARE SECTION. PMS [Интернет]. 4 февраль 2019 г. [цитируется по 23 февраль 2025 г.];(1):55-61. доступно на: http://189185.vm7pq.group/physics-mathematics/article/view/1161