Williamson, Richard E. <br/><br/>
Introduction to Differential Equations and Dynamical Systems 
/ by Richard E. Williamson 
 - 1st ed. 
 - USA  The McGraw-Hill Companies  1997 
 - 690p. 
<br/><br/><label>ISBN: </label>9780071148566 
<br/><br/><label>Dewey Class. No.: </label>515.35  / WIL/I