YONGQIANG, F. Existence of solutions for $p(x)$-Laplacian problem on an unbounded domain. Topological Methods in Nonlinear Analysis, [S. l.], v. 30, n. 2, p. 235–250, 2007. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.028. Acesso em: 3 jul. 2024.