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

 - 2nd ed. 
 - New Delhi  PHI Learning  2004 
 - xiv:514p.:  25 cm. 
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>9788120325234 
<br/><br/><label>Dewey Class. No.: </label>515.35 AHS (3)