PATTERSON, S. J. A Heuristic Principle and Applications to Gauss Sums. The Journal of the Indian Mathematical Society, [S. l.], v. 52, n. 1-2, p. 1–22, 1987. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/21968. Acesso em: 30 apr. 2024.