William E. Boyce <br/><br/>
Elementary differential equations and boundary value problems 

 - 9th ed. 
 - Delhi  Wiley  2015 
 - xix, 796p.  23x18cm. 
<br/><br/><label>ISBN: </label>9788126521555  849 
<br/><br/><label>Dewey Class. No.: </label>517.38  / BOY/ELE