Enderton, Herbert B. <br/><br/>
Elements of set theory / 
Herbert B. Enderton. 
 - [S.l.] :  Academic Press,  1977. 
 - 279 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780122384400 9780122384400 
<br/><br/><label>Dewey Class. No.: </label>511.3