Ahsan, Zafar <br/><br/>
Differential equations and their applications 

 - 2nd ed. 
 - New Delhi  Prentice Hall  2006 
 - xiv,514 p.  ill 
<br/><br/><label>ISBN: </label>8120325230 
<br/><br/><label>Dewey Class. No.: </label>515.36  / A37