DIXON, R. D. On a Generalized Divisor Problem. The Journal of the Indian Mathematical Society, [S. l.], v. 28, n. 3-4, p. 187–196, 1964. DOI: 10.18311/jims/1964/16844. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16844. Acesso em: 5 may. 2024.