Ranganath, G. K., and Sampangiram, C. S. <br/><br/>
A text-book of BSc  Mathematics : 
Part - 4 
 - New Delhi  S. Chand & Company (Pvt) Ltd  1987 
 - 307 
<br/><br/><label>ISBN: </label>8121902444 
<br/><br/><label>Publisher. No.: </label> Educational Supplies 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics