Analysis of Functional Integral Equations, Generalized Ordinary Differential Equat...
Introduction to Functional Differential Equations with Applications
Qualitative theory of differential equations and singularity theory
Qualitative study of linear and nonlinear ordinary differential equations
Qualitative Theory of Ordinary Differential Equations and applications
Limit cycles of discontinuous piecewise smooth differential systems in the plane R...
Qualitative theory of ordinary differential equations with applications