COSTA, David G.; TEHRANI, Hossein. The jumping nonlinearity problem revisited: an abstract approach. Topological Methods in Nonlinear Analysis, [S. l.], v. 21, n. 2, p. 249–272, 2003. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2003.015. Acesso em: 8 jul. 2025.