RAESAN, V. The Pace of the Sky. The Journal of the Indian Mathematical Society, [S. l.], v. 5, n. 1, p. 18–19, 1913. DOI: 10.18311/jims/1913/17745. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17745. Acesso em: 3 may. 2024.