Theory of singular boundary value problems

Existence Theory for Nonlinear Ordinary Differential Equations

Existence Theory for Nonlinear Integral and Integrodifferential Equations

Topological Degree Theory and Applications (Series in Mathematical Analysis and Applications)

Discrete Oscillation Theory (Contemporary Mathematics and Its Applications) (Contemporary Mathematics and Its Applications)

Theorems of Leray-Schauder Type And Applications

Nonlinear Integral Equations and Inclusions

Fixed Point Theory and Applications (Cambridge Tracts in Mathematics)

Theorems of Leray-Schauder Type and Applications

Set Valued Mappings with Applications in Nonlinear Analysis