BASSANEZI, R. C.; GRECO, G. H. A minimax theorem of marginally upper/lower semicontinous functions. Topological Methods in Nonlinear Analysis, [S. l.], v. 5, n. 2, p. 249–253, 1995. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1995.015. Acesso em: 22 jul. 2024.