BHIMASENA RAO, M. Double Points. The Journal of the Indian Mathematical Society, [S. l.], v. 4, n. 1, p. 19–21, 1912. DOI: 10.18311/jims/1912/17780. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17780. Acesso em: 27 apr. 2024.