P. D. Kathal <br/><br/>
Trikonmiti goliy / 
P. D. Kathal 
 -  Madhya Hindi Granth Academy 
 - 0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.24  / KATG