References
- Amann , H. 1971 . On the existence of positive solutions of nonlinear elliptic boundary value problems . Indiana Univ. math. J. , 21 : 125 – 146 .
- Brown , K. J. and Tertikas , A. 1991 . On the bifurcation of radially symmetric steady-state solutions arising in population genetics . SIAM J. Math. Anal. , 22 ( 2 ) : 400 – 413 .
- Gidas , B. , Ni , W. M. and Nirenberg , L. 1979 . Symmetry and related properties via the maximum principle . Comm. math. phys. , 68 ( 2 ) : 209 – 243 .
- Gilbarg , D. and Trudinger , N. S. 1977 . Elliptic partial differential equations of second order , Berlin-Heidelberg-New York : Springer-Verlage .
- Guo , Z. M. Some existence and multiplicity results for a class of quasilinear elliptic eigenvalue problems , Nonlinear Analysis T. M.A. in press .
- Kichenassamy , S. and Smoller , J. 1990 . On the existence of radial solutions of quasilinear elliptic equations . Nonlinearity , 3 : 677 – 694 .
- Lin , S. S. 1990 . On the number of positive solutions for nonlinear elliptic equations when a parameter is large . Nonlinear Analysis , 16 ( 3 ) : 283 – 297 .
- Lions , P. L. 1982 . On the existence of positive solutions of semilinear elliptic equations . SIAM. Rev. , 24 ( 3 ) : 441 – 467 .
- Sakaguchi , S. 1987 . Concavity properties of solutions to some degenerate quasilinear elliptic Dirichlet problems . Ann. Scuola Norm. Sup. Pisa. Cl. Sci. , 4 ( 14 ) : 403 – 421 .
- Sattinger , D. H. 1972 . Monotone methods in nonlinear elliptic and parabolic boundary value problems . Indiana University math. Journal , 21 ( 14 ) : 979 – 1000 .
- De Thelin , F. 1980 . Sur l'espace propre associé à la premiére valeur propre du pseudo-Laplacien . C. R. Acad. Sc. Paris, Ser. , A303 ( 14 ) : 355 – 358 .