ALVES, Claudianor O.; DING, Yanheng. Existence, multiplicity and concentration of positive solutions for a class of quasilinear problems. Topological Methods in Nonlinear Analysis, [S. l.], v. 29, n. 2, p. 265–278, 2007. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.011. Acesso em: 1 jul. 2025.