References
- Cambridge Studies in Advanced Math v.34 A primer of nonlinear analysis A. Ambrosetti;G. Prodi
- Studia Math v.120 The multiplicity of solutions and geometry of a nonlinear ellliptic equation Q. H. Choi;S. Chun;T. Jung
- Differential and Integral Equations v.4 On periodic solutions of the nonlinear suspension bridge equation Q. H. Choi;T. S. Jung
- J. Differential Equations v.117 An application of a variational reduction method to a nonlinear wave equation Q. H. Choi;T. S. Jung
- Dynam. Contin. Discrete Impulsive Systems v.4 A nonlinear beam equation with nonlinearity crossing an eigenvalue Q. H. Choi;T. S. Jung
- Lecture Notes Ser. v.11 Topological Methods for Asymmetric Boundary Value Problems P. J. McKenna
- Ann. Mat. Pura Appl. v.143 no.4 Multiplictity results for asyrnptotically homogeneous semilinear boundary value problems P. J. McKenna;R. Redlinger;W. Walter
- Operator Inequalities J. Schroder