Holmes, M.H <br/><br/>
Introduction to perturbation methods 
M.H. Holmes 
 - New York  Springer  1995 
 - xiii  337 
 - Texts in applied mathematics 20 .
<br/><br/><label>ISBN: </label>9780387942032 
<br/><br/><label>Dewey Class. No.: </label>4.04  / HOLM