Existence Results and Strong Maximum Principle for a Resonant Sublinear Elliptic Problem. Minimax Theory and its Applications, [S. l.], v. 4, n. 2, p. 217–229, 2019. Disponível em: https://journalmta.com/index.php/jmta/article/view/63. Acesso em: 13 nov. 2026.