Ahsan Zafar <br/><br/>
Differential Equations and Their Applications 

 -  New delhi: prentia - Halll of  india PVT 2004 
 - (xvi), 514 
<br/><br/><label>ISBN: </label>81-203-2523-0 
<br/><br/><label>Dewey Class. No.: </label>515.625