1. Etude des valeurs propres et de la résonnance pour l’opérateur p-Laplacien;Anane;C. R. Acad. Sci. Paris Sér. I Math.,1987
2. General comparison principle for quasilinear elliptic inclusions;Carl;Nonlinear Anal.,2008
3. Quasilinear elliptic inclusions of hemivariational type: Extremality and compactness of the solution set;Carl;J. Math. Anal. Appl.,2003
4. Nonsmooth Variational Problems and Their Inequalities. Comparison Principles and Applications;Carl,2007
5. Nonlinear Differential Equations in Ordered Spaces;Carl,2000