ZEITLER, H. Packings in hyperbolic geometry. Teaching Mathematics and Computer Science, [S. l.], v. 2, n. 2, p. 209–229, 2004. DOI: 10.5485/TMCS.2004.0040. Disponível em: https://ojs.lib.unideb.hu/tmcs/article/view/14723. Acesso em: 20 oct. 2024.