Sufficient conditions of linear stability for equilibrium points in the Newtonian gravitational model of six bodies. Neliniini Kolyvannya, [S. l.], v. 2, n. 1, p. 138–144, 1999. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/48. Acesso em: 12 apr. 2026.