Selby, Samuel and Sweet, Leonard <br/><br/>
Sets relations functions  an introduction 

 - New York  McGraw-Hill Book  1963 
 - x,233p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Set theory
<br/><br/><label>Dewey Class. No.: </label>511.322  / SEL