DE PAIVA, Francisco Odair; ROSA, Wallisom. Critical Neumann problems with asymmetric nonlinearity. Topological Methods in Nonlinear Analysis, [S. l.], v. 56, n. 1, p. 117–127, 2020. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2019.120. Acesso em: 8 jul. 2025.