Upadhayay; B.L. <br/><br/>
Prachin Bhartiya Ganrit  Hindi 

 - New Delhi  Vigyaan bharti  1971 
 - 388pg 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510 U1E