DOMINGOS, A. R.; RAMOS, M. On the solvability of a resonant elliptic equation with asymmetric nonlinearity. Topological Methods in Nonlinear Analysis, [S. l.], v. 11, n. 1, p. 45–57, 1998. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1998.003. Acesso em: 25 apr. 2024.