“THE STABILITY OF OUT-OF-PLANE EQUILIBRIUM POINTS IN THE ELLIPTIC RESTRICTED THREE-BODY PROBLEM AT J_4 OF THE BIGGER PRIMARY”, FJS, vol. 3, no. 4, pp. 9–14, Apr. 2023, Accessed: Sep. 17, 2025. [Online]. Available: http://162.254.38.185/index.php/fjs/article/view/1615