Analysis of Functional Integral Equations, Generalized Ordinary Differential Equat...
Qualitative theory of ordinary differential equations: integrability, periodic orb...
Limit cycles of discontinuous piecewise smooth differential systems in the plane R...
Theoretical Aspects and Numerical Methods in the Application of Ordinary Different...
Oscillation and non-oscillation in differential equations involving non-absolute i...
Differential equations with fractional derivatives and their applications