Green, J. A <br/><br/>
Sets and groups 
J. A Green 
 - London:  Routledge & Kegan Paul,  1965. 
 - 84p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aggregates (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>512.2  / GRS