Gupta, Keshawa  Pd. <br/><br/>
Set  theory  and  related  topics 

 - 9th /   2011. 
 - Meerut:  Krishna  Prakashan  Media (P) Ltd.,  2011. 
 - 360p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, General  Principles  of  Mathematics. 
<br/><br/><label>Dewey Class. No.: </label>511.322