Logan, J. David <br/><br/>
First course in differential equations 
J. David Logan 
 - 2nd ed. 
 - New York  Springer  2011 
 - xviii, 386 
<br/><br/><label>ISBN: </label>9781441975911  4074.44 
<br/><br/><label>Dewey Class. No.: </label>515.35 L828F-2