SEHIE PARK. From Simplices to Abstract Convex Spaces: A brief history of the KKM theory. Results in Nonlinear Analysis, [S. l.], v. 1, n. 1, p. 1–12, 2022. Disponível em: https://nonlinear-analysis.com/index.php/pub/article/view/3. Acesso em: 8 sep. 2024.