The Dirichlet Problems for a Class of Fully Nonlinear Elliptic Equations Relative to the Eigenvalues of the Hessian. Journal of Partial Differential Equations, [S. l.], v. 5, n. 2, p. 53–68, 1992. Disponível em: https://www.global-sci.com/index.php/jpde/article/view/3711. Acesso em: 5 dec. 2025.