MUGNAI, D. On a ``reversed’’ variational inequality. Topological Methods in Nonlinear Analysis, [S. l.], v. 17, n. 2, p. 321–357, 2001. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2001.019. Acesso em: 16 apr. 2024.