SANJANA, K. J. A Proof of Feuerbach’s Theorem. The Journal of the Indian Mathematical Society, [S. l.], v. 3, n. 3, p. 115–117, 1911. DOI: 10.18311/jims/1911/17812. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17812. Acesso em: 5 may. 2024.