Cicogna, Giampaolo <br/><br/>
Symmetry and perturbation theory in nonlinear dynamics 

 - Berlin  Springer-Verlag  1999 
 - xi,208p.  23 cm H.B. 
 - Lecture notes in physics .
<br/><br/><label>ISBN: </label>3540659048 
<br/><br/><label>Dewey Class. No.: </label>515.35  / CIC