CHEN, Y.; SU, J. Bounded resonant problems driven by fractional Laplacian. Topological Methods in Nonlinear Analysis, [S. l.], v. 57, n. 2, p. 635–661, 2021. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2020.059. Acesso em: 22 lip. 2024.