ALVES, C. O.; DING, Y. 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: 22 lip. 2024.