1. On the second eigenvalue of the p-Laplacian;Anane,1996
2. Existence and nonuniqueness for the p-Laplacian: Nonlinear eigenvalues;Azorero;Comm. Partial Differential Equations,1987
3. Existence theorems for nonlinear partial differential equations;Browder,1970
4. The beginning of the Fučik spectrum for the p-Laplacian;Cuesta;J. Differential Equations,1999
5. A nodal domain property for the p-Laplacian;Cuesta;C. R. Acad. Sci. Paris Ser. I Math.,2000