GARAVITO ARMERO, Julio. Definitive formulas for the calculation of the motion of the moon by the Hill-Brown method, and with the notation used by Henry Poincaré in volume III of his Course in Celestial Mechanics. Vol 6 (24): 560-570, 1946. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, Bogotá, Colombia, v. 44, n. 170, p. 69–80, 2020. DOI: 10.18257/raccefyn.1179. Disponível em: https://raccefyn.co/index.php/raccefyn/article/view/1179. Acesso em: 15 nov. 2026.