SHOREY, T. N. Ramanujan and Binary Recursive Sequences. The Journal of the Indian Mathematical Society, [S. l.], v. 52, n. 1-2, p. 147–157, 1987. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/21997. Acesso em: 7 may. 2024.