Zill, Dennis G. <br/><br/>
Differential Equations : With boundary value problems  

 - 8th  
 - Delhi    India Cengage learning India pvt. Ltd  2013 
 - 549 
<br/><br/><label>ISBN: </label>9788131525760 
<br/><br/><label>Dewey Class. No.: </label>515.35  / zil