SOSNITSKII, S. P. On the Lagrange Stability of Motion in the Three-Body Problem. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 57, n. 8, p. 1137 – 1143, 2005. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3672. Acesso em: 5 dec. 2025.