Nonlinear Analysis
Leszek Gasinski & Nikolaos S. Papageorgiou
Integral and Integrodifferential Equations
Ravi P. Agarwal & Donal O’Regan
Topological Degree Theory and Applications
Yeol Je Cho & Yuqing Chen
Monotone Flows and Rapid Convergence for Nonlinear Partial Differential Equations
V. Lakshmikantham & S. Koksal
Method of Variation of Parameters for Dynamic Systems
V. Lakshmikantham