ABREU, Pilar; GUERRA, Esther; PLAZA, Ángel. Proof without words: limit of a recursive sequence. Teaching Mathematics and Computer Science, [S. l.], v. 3, n. 1, p. 121–122, 2005. DOI: 10.5485/TMCS.2005.0087. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/14742. Acesso em: 20 oct. 2024.