Harnack Inequality and Smoothness for some Non Linear Degenerate Elliptic Equations. Minimax Theory and its Applications, [S. l.], v. 4, n. 1, p. 87–99, 2019. Disponível em: https://journalmta.com/index.php/jmta/article/view/56. Acesso em: 13 may. 2026.