AHUJA, G. C.; NARANG, T. D.; TREHAN, S. On Farthest Points. The Journal of the Indian Mathematical Society, [S. l.], v. 39, n. 1-4, p. 293–297, 1975. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16654. Acesso em: 7 may. 2024.