Canonical Perturbation Theories - Degenerate Systems and Resonance (Paperback, Softcover reprint of hardcover 1st ed. 2007)

The book is written mainly to advanced graduate and post-graduate students following courses in Perturbation Theory and Celestial Mechanics. It is also intended to serve as a guide in research work and is written in a very explicit way: all perturbation theories are given with details allowing its immediate application to real problems. In addition, they are followed by examples showing all steps of their application.