RAMESH, V. The Face of the Sky for November and December 1913. The Journal of the Indian Mathematical Society, [S. l.], v. 5, n. 6, p. 221–222, 1913. DOI: 10.18311/jims/1913/17723. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17723. Acesso em: 7 may. 2024.