Guckenheimer, John and Holmes, Philip <br/><br/>
Nonlinear oscillations, dynamical systems and bifurcations of vector fields   

 - New York  Springer-Verlag  1983 
 - xvi, 453p. Index, Glossary 
 - Applied Mathematical Sciences    v. 42 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.35  / G921.NO