[1]
“Sobre Algumas Tecnicas de Perturbacao Utilizadas no Problema Ressonante 3/1”, RMxAA, vol. 14, no. 1, p. 639, Jan. 1987, Accessed: Dec. 09, 2025. [Online]. Available: https://astronomia.unam.mx/journals/rmxaa/article/view/1987rmxaa..14..639b