BHASKARAN, M. Two Applications of a Result of S. Chowla. The Journal of the Indian Mathematical Society, [S. l.], v. 23, n. 3-4, p. 133–137, 1959. DOI: 10.18311/jims/1959/16942. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16942. Acesso em: 3 may. 2024.