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

 - 1st ed /  
 - London E.C. 4V 5EL :   Routledge & Kegan Paul Ltd ,   1984 
 - p.74,xii :  
<br/><br/><label>ISBN: </label>0-7100-4356-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sets and Groups
<br/><br/><label>Dewey Class. No.: </label>B13  / K5G;1