RAMESH, V. The Face of the Sky for January and February 1915. The Journal of the Indian Mathematical Society, [S. l.], v. 6, n. 6, p. 223–224, 1914. DOI: 10.18311/jims/1914/17689. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17689. Acesso em: 4 may. 2024.