Perko,Lawrence <br/><br/>
Differential Equations and Dynamical Systems 
Perko,Lawrence 
 - New York  Springer  2001 
 - 533  Illustration,index,reference & graph 
<br/><br/><label>ISBN: </label>9780387951164 
<br/><br/><label>Dewey Class. No.: </label>512  / P4199