Perko,Lawrence  2001 <br/><br/>
Differential Equations and Dynamical Systems 

 - Third Edition 
 - New York  Springer Science+Business Media  2001 
 - 561  Illustrations, Graphs, Diagrams, Index, References 
<br/><br/><label>ISBN: </label>9780387951164 
<br/><br/><label>Dewey Class. No.: </label>512 P4199  / 1