Tu Pierre N.V <br/><br/>
Dynamical Systems 
/ by Pierre N.V.Tu 
 - New York  Springer Verlag  1992 
 - 252p. 
<br/><br/><label>ISBN: </label>3540557806 
<br/><br/><label>Dewey Class. No.: </label>516.3  / TU/D