SINGH, C. K.; HASSAN, M. SITNIKOV FIVE BODY PROBLEM FORMING SQUARE CONFIGURATION UNDER PERTURBATION OF PHOTOGRAVITATION: AN ELLIPTIC CASE. International Journal of Technical Innovation in Modern Engineering & Science, [S. l.], v. 5, n. 7, p. 216–221, 2019. Disponível em: https://ijtimes.com/index.php/ijtimes/article/view/1112. Acesso em: 22 dec. 2024.