Guckenheimer, J & Holmes, P <br/><br/>
Nonlinear oscillations, dynamical systems & bifurcations of vector fields 
J. Guckenheimer & P. Holmes 
 - New York  Springer  1983 
 - xvi  453 
 - Applied mathematical sciences 42 .
<br/><br/><label>ISBN: </label>3540908196 
<br/><br/><label>Dewey Class. No.: </label>6.06  / GUCK