Spectral Analysis of Nonlinear Operators (Lecture Notes in Mathematics, 346)

Multiparameter Eigenvalue Problems and Expansion Theorems (Lecture Notes in Mathematics, 1356)

Coincidence Degree and Nonlinear Differential Equations (Lecture Notes in Mathematics, No.568) (Lecture Notes in Mathematics, 568)

Methods of Nonlinear Analysis Applications to Differential Equations

Bifurcation Theory An Introduction with Applications to PDEs

Topological Methods for Variational Problems with Symmetries

Perturbation Methods and Semilinear Elliptic Problems on R^n

Critical Point Theory and Hamiltonian Systems

Topological and Variational Methods with Applications to Nonlinear Boundary Value Problems

Asymptotics of Nonlinearities and Operator Equations

Infinite Dimensional Morse Theory and Multiple Solution Problems (Progress in Nonlinear Differential Equations and Their Applications, 6)

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