Lipschutz, Seymour. <br/><br/>
Theory and problems of set theory and related topics / 

 - Singapore,  McGraw Hill,  c1981. 
 - 232p. ;  ill. ;  29.5 cm.  
<br/><br/><label>ISBN: </label>007990131 
<br/><br/><label>Dewey Class. No.: </label>511.322