ISAC, G. Leray-Schauder type alternatives and the solvability of complementarity problems. Topological Methods in Nonlinear Analysis, [S. l.], v. 18, n. 1, p. 191–204, 2001. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2001.031. Acesso em: 25 apr. 2024.