Integrability of two-dimensional polynomial differential systems
Qualitative theory of ordinary differential equations: integrability, periodic orb...
Deformations of orthogonal polynomials and integro-differential Painlevé equations
Global analysis of Quadratic Planar Polynomial Vector Fields with Invariant Algebr...
Introduction to the Qualitative Theory of Ordinary Differential Equations and some...
Topics on Qualitative theory of ordinary differential equations
Introduction to smooth and piecewise smooth qualitative theory of differential equ...