GALLATLY, W. The Jerabek Points. The Journal of the Indian Mathematical Society, [S. l.], v. 4, n. 1, p. 18–19, 1912. DOI: 10.18311/jims/1912/17779. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17779. Acesso em: 5 may. 2024.