Chhatwal, G. R . <br/><br/>
World great Mathematicians /  Textual Documents 
G. R. Chhhatwal et al.. . 
 - 1st ed / 
 - New Delhi :  Anmol Publications ,  1993. 
 - 421p. :  ill ;  23cm . 
<br/><br/> Encyclopaedia of world great scientists series. 
<br/><br/><label>ISBN: </label>81-7041-761-9 
<br/><br/><label>Subjects--Index Terms: </label>Encyclopaedia - Mathematicians 
<br/><br/><label>Dewey Class. No.: </label>510  / Ch 429 Wo