RAGHAVACHAR, A. N. On Tangential Equations. The Journal of the Indian Mathematical Society, [S. l.], v. 6, n. 1, p. 18–22, 1914. DOI: 10.18311/jims/1914/17710. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17710. Acesso em: 28 apr. 2024.