Existence of Bounded Solutions for Quasilinear Subelliptic Dirichlet Problems. Journal of Partial Differential Equations, [S. l.], v. 8, n. 2, p. 97–107, 1995. Disponível em: https://global-sci.com/index.php/jpde/article/view/3786. Acesso em: 26 feb. 2026.