PILARCZYK, P.; GRAFF, G. An algorithmic approach to estimating the minimal number of periodic points for smooth self-maps of simply-connected manifolds. Topological Methods in Nonlinear Analysis, [S. l.], v. 45, n. 1, p. 273–286, 2015. DOI: 10.12775/TMNA.2015.014. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2015.014. Acesso em: 4 oct. 2022.