CHANG, Shih-Sen; CHO, Yoel Je; WU, Xian; ZHANG, Ying. 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: 8 jul. 2025.