Eliasson, L.H., et al <br/><br/>
Dynamical systems & small divisors 
L.H. Eliasson, et al 
 - Berlin  Springer  2002 
 - viii  198 
 - Lecture notes in mathematics 1784 .
<br/><br/><label>ISBN: </label>9783540437260 
<br/><br/><label>Dewey Class. No.: </label>12.07  / ELIA