RAMANUJAN, S. Note on a Set of Simultaneous Equations. The Journal of the Indian Mathematical Society, [S. l.], v. 4, n. 3, p. 94–96, 1912. DOI: 10.18311/jims/1912/17757. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17757. Acesso em: 19 apr. 2024.