CAVALCANTE, Thiago R.; SILVA, Edcarlos D. Fourth-order elliptic problems involving concave-superlinear nonlinearities. Topological Methods in Nonlinear Analysis, [S. l.], v. 60, n. 2, p. 581–600, 2022. DOI: 10.12775/TMNA.2022.011. Disponível em: https://apcz.umk.pl/TMNA/article/view/41351. Acesso em: 13 may. 2025.