CHANG, S.-S.; CHO, Y. J.; WU, X.; ZHANG, Y. The topological versions of KKM theorem and Fan’s matching theorem with applications. Topological Methods in Nonlinear Analysis, [S. l.], v. 1, n. 2, p. 231–245, 1993. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1993.017. Acesso em: 20 apr. 2024.