Lipschutz,Seymour <br/><br/>
Theory and Problems of Set Theory and Related Topics 

 - Singapore  Mcgraw-Hill International Book Company  1981 
 - 233p. 
<br/><br/><label>ISBN: </label>007990131 
<br/><br/><label>Dewey Class. No.: </label>511.322  / L65S