BHASKARAN, M. On the Quadratic Form. The Journal of the Indian Mathematical Society, [S. l.], v. 27, n. 3-4, p. 145–161, 1963. DOI: 10.18311/jims/1963/16868. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/16868. Acesso em: 18 may. 2024.