BARAHONA, Willy; LAPA, Eugenio Cabanillas; FIGUEIREDO, Giovany M. Sign-changing solutions for a critical exponential problem with competing potentials. Topological Methods in Nonlinear Analysis, [S. l.], v. 66, n. 2, p. 793–813, 2025. DOI: 10.12775/TMNA.2025.025. Disponível em: https://apcz.umk.pl/TMNA/article/view/67389. Acesso em: 4 feb. 2026.