COSTA, D. G.; TEHRANI, H. 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: 29 mar. 2024.