RAMESH, V. On the Face of the Sky for August and September. The Journal of the Indian Mathematical Society, [S. l.], v. 3, n. 4, p. 153–154, 1911. DOI: 10.18311/jims/1911/17808. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17808. Acesso em: 5 may. 2024.