CUCCU, Fabrizio; POPIVANOV, Petar; PORRU, Giovanni. Estimates for solutions to nonlinear degenerate elliptic equations. CUBO, A Mathematical Journal, [S. l.], v. 11, n. 4, p. 59–71, 2009. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1453. Acesso em: 8 jul. 2025.