- Boundary Value Problems for Systems of Differential, Difference and Fractional Equations: Positive Solutions
- Nonlinear Interpolation and Boundary Value Problems
- Ordinary Differential Equations And Boundary Value Problems - Volume I: Advanced Ordinary Differential Equations
- Impulsive Differential Inclusions: A Fixed Point Approach
- Boundary Value Problems for Second-Order Finite Difference Equations and Systems (de Gruyter Studies in Mathematics)