Nonlinear differential equations and dynamical systems 
Verhulst, F. 
 - Berlin ; | New York :  Springer-Verlag,  1990 
 - ix, 277 p. :  ill. ;  24 cm. 
<br/><br/> Translation of: Nietlineaire differentiaalvergelijkingen en dynamische systemen. 
<br/><br/><label>ISBN: </label>0387506284 (U.S. : alk. paper)