Introduction to the Qualitative Theory of Ordinary Differential Equations
Introduction to the qualitative theory of ordinary differential equations and appl...
Analysis of Functional Integral Equations, Generalized Ordinary Differential Equat...
Fundamentals of the Qualitative Theory of Differential Equations
Differential equations: a dynamical approach for the Poincaré-Hopf Theorem
An introduction to the Qualitative Theory of Ordinary Differential Equations