Solvability and the number of solutions of Hammerstein equations.
Homeomorphisms and Fredholm theory for perturbations of nonlinear Fredholm maps of index zero with applications.
A global description of solutions to nonlinear perturbations of the Wiener--Hopf integral equations.
On the unique constructive solvability of Hammerstein equations.
Fredholm alternatives and surjectivity results for multivalued -proper and condensing mappings with applications to nonlinear integral and differential equations
Solvability of semilinear equations with strong nonlinearities and applications to elliptic boundary value problems
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