PIREDDU, M.; ZANOLIN, F. Cutting surfaces and applications to periodic points and chaotic-like dynamics. Topological Methods in Nonlinear Analysis, [S. l.], v. 30, n. 2, p. 279–319, 2007. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.030. Acesso em: 3 jul. 2024.