FERREIRA, F.; MEDEIROS, E. S.; ROSA, W. On a semilinear fourth order elliptic problem with asymmetric nonlinearity. Topological Methods in Nonlinear Analysis, [S. l.], v. 60, n. 2, p. 761–773, 2022. DOI: 10.12775/TMNA.2022.028. Disponível em: https://apcz.umk.pl/TMNA/article/view/41323. Acesso em: 19 apr. 2024.