Simmons, George F. <br/><br/>
Differential equations :    with applications and historical notes 
/ by George F.  Simmons 
 - 2nd ed. 
 - New Delhi:  The Mcgraw Hill Companies,  2003. 
 - xiv,629p. 
<br/><br/><label>ISBN: </label>0070575401 
<br/><br/><label>Dewey Class. No.: </label>515.35  / SIM/D