Gupta, Rajendra Swarup <br/><br/>
Trikonmiti / 
Gupta, Rajendra Swarup 
 -  Hindi Samiti, Suchna Vibhag, Lucknow 
 - 248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.34  / GUPT