Kapoor, N.M. <br/><br/>
Elements of Differential Equations 

 - New Delhi  Pitamber publishing company Pvt. ltd.  1999 
 - 324p. 
<br/><br/><label>ISBN: </label>81-209-1099-0 
<br/><br/><label>Dewey Class. No.: </label>515.35    Kap.N9