An introduction to ...
Finite difference ...
Numerical solution ...
Multiphase averagi ...
Introduction to th ...
Numerical differen ...
Bifurcation theory ...
Ordinary non-linea ...
Elementary differe ...
Methods of qualita ...
The theory of part ...
Perturbations : th ...
Ordinary different ...
Fundamentals of di ...
Qualitative theory ...
Nonlinear analysis ...
Ordinary and delay ...