1. Eigenvalues of the indefinite-weight p-Laplacian in weighted spaces;Allegretto;Funkc. Ekvacioj,1995
2. On the second eigenvalue of the p-Laplacian;Anane,1996
3. Simplicité et isolation de la première valeur propre du p-laplacien avec poids;Anane;C. R. Acad. Sci. Paris Sér. I Math.,1987
4. User's guide to viscosity solutions of second order partial differential equations;Crandall;Bull. Am. Math. Soc. (N.S.),1992
5. An Introduction to Γ-Convergence;Dal Maso,1993