Positive Solutions of Nonlinear Elliptic Problem in a Non-Smooth Planar Domain. Journal of Partial Differential Equations, [S. l.], v. 27, n. 3, p. 200–216, 2014. DOI: 10.4208/jpde.v27.n3.2. Disponível em: https://global-sci.com/index.php/jpde/article/view/14909. Acesso em: 6 dec. 2025.