IDZIK, A.; JUNOSZA-SZANIAWSKI, K. Combinatorial lemmas for oriented complexes. Topological Methods in Nonlinear Analysis, [S. l.], v. 32, n. 2, p. 379–409, 2008. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2008.053. Acesso em: 22 jul. 2024.