1. Fixed point equations and nonlinear eigenvalue problems in ordered Banach Spaces;Amann;SIAM Rev.,1976
2. A. Anane, Etude des valeurs propres et de larésonnance pour l'opérateur p-Laplacian, PhD Thèse, Université Libre de Bruxelles, 1987; C. R. Acad. Sci. Paris Sér. I Math. 305(16) (1987) 725–728.
3. A priori estimates and continuation methods for positive solutions of p-Laplace equations;Azizieh;J. Differential Equations,2002
4. On the existence of sign-changing solutions for semilinear Dirichlet problems;Bartsch;J. Juliusz Schauder Center,1996
5. A sign-changing solution for a superlinear Dirichlet problem;Castro;Rocky Mountain J. Math.,1997