RAMASWAMI AIYAR, V. On Steiner’s Tricusp. The Journal of the Indian Mathematical Society, [S. l.], v. 3, n. 6, p. 235–235, 1911. DOI: 10.18311/jims/1911/17798. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17798. Acesso em: 7 may. 2024.