IDZIK, A.; JUNOSZA-SZANIAWSKI, K. Combinatorial lemmas for nonoriented pseudomanifolds. Topological Methods in Nonlinear Analysis, [S. l.], v. 22, n. 2, p. 387–398, 2003. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2003.047. Acesso em: 22 jul. 2024.