KUMAR, U.; TIWARI, S. Multiple solutions to Bahri-Coron problem involving fractional $p$-Laplacian in some domain with nontrivial topology. Topological Methods in Nonlinear Analysis, [S. l.], v. 61, n. 2, p. 717–742, 2023. DOI: 10.12775/TMNA.2022.033. Disponível em: https://apcz.umk.pl/TMNA/article/view/44694. Acesso em: 22 jul. 2024.