Green, J. A. <br/><br/>
Sets and groups 

 - London :  Routledge and Kegan Paul,  1967. 
 - ix,84p.  : ill.   ; 19cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groups, Theory of<br/>Aggregates
<br/><br/><label>LC Class. No.: </label>PAM QA171.G68