Shama, J.M, <br/><br/>
A New Look at Numbers  Textual Documents 
By J.M. Sharma 
 - 3rd ed. 
 - New Delhi  Arya Book Depot  1989 
 - pg228:  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics G- Mathematics 
<br/><br/><label>Dewey Class. No.: </label>510