WILKINSON, A. C. L. On the Bieircular Quartic. The Journal of the Indian Mathematical Society, [S. l.], v. 6, n. 4, p. 123–136, 1914. DOI: 10.18311/jims/1914/17694. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17694. Acesso em: 5 may. 2024.