SANJANA, K. J. Tucker Circles that Touch the Inscribed and Escribed Circles of a Triangle. The Journal of the Indian Mathematical Society, [S. l.], v. 9, n. 6, p. 214–220, 1917. DOI: 10.18311/jims/1917/17667. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17667. Acesso em: 4 may. 2024.