RAMESH, V. Face of the Sky for February and March. The Journal of the Indian Mathematical Society, [S. l.], v. 3, n. 1, p. 27–28, 1911. DOI: 10.18311/jims/1911/17828. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17828. Acesso em: 30 may. 2024.