IDZIK, Adam; JUNOSZA-SZANIAWSKI, Konstanty. 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: 8 jul. 2025.