NARANIENGAR, M. T. Note on the Normal Section of an Enveloping Cylinder. The Journal of the Indian Mathematical Society, [S. l.], v. 6, n. 2, p. 61–63, 1914. DOI: 10.18311/jims/1914/17704. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17704. Acesso em: 4 may. 2024.