Sharma , J N . <br/><br/>
Mathematical Methods /  Textual Documents 
J N Sharma & R k Gupta. 
 - 4th rev ed / 
 - Meerut :  Krishna prakashan mandir ,  1975. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics T/PG-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>511  / Sa 74 Ma