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

 - LONdon  E L B S         1963 
 - ix,84p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analysis
<br/><br/><label>Dewey Class. No.: </label>B316, K5