Perturbation metho ...
Differential equat ...
Singular perturbat ...
Applied analysis
Methods for analys ...
Singular-perturbat ...
Introduction to th ...
Elegant chaos : al ...
Introduction to ra ...
Stability of dynam ...
Introduction to ma ...
A short course in ...
Methods and applic ...
Nonlinear analysis
Linear turning poi ...
Partial differenti ...
Qualitative theory ...
Variational method ...
The computational ...