SUBRAMANYAM, S. S. On Oblique Pedal Lines of Cyclic Polygons. The Journal of the Indian Mathematical Society, [S. l.], v. 30, n. 2, p. 117–130, 1966. DOI: 10.18311/jims/1966/16808. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16808. Acesso em: 5 may. 2024.