Guckenheimer,John <br/><br/>
Nonlinear oscillations,dynamical systems,and bifurcations of vector fields / 
Guckenheimer,John. 
 - New York:  Springer,  1991. 
 - xvi,459p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0387908196 
<br/><br/><label>Dewey Class. No.: </label>510 GUC