CHOUDHRY, R. K. The Motion of a Minor Planet with the Commensurability =1/2. The Journal of the Indian Mathematical Society, [S. l.], v. 28, n. 3-4, p. 99–117, 1964. DOI: 10.18311/jims/1964/16835. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16835. Acesso em: 29 apr. 2024.