VYTHYNATHASWAMY, R. On a Certain Quartic Surface. The Journal of the Indian Mathematical Society, [S. l.], v. 9, n. 2, p. 74–78, 1917. DOI: 10.18311/jims/1917/17601. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17601. Acesso em: 2 may. 2024.