SRINIVASAN, R. On the formula p =rdr/dp. The Journal of the Indian Mathematical Society, [S. l.], v. 4, n. 2, p. 61–61, 1912. DOI: 10.18311/jims/1912/17787. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17787. Acesso em: 9 may. 2024.