KRISHNA RAO, T. Feuerbach’s Theorem. The Journal of the Indian Mathematical Society, [S. l.], v. 9, n. 6, p. 228–229, 1917. DOI: 10.18311/jims/1917/17670. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/17670. Acesso em: 2 may. 2024.