Baum, John D. <br/><br/>
Elements of point set topology / 
by John D. Baum 
 - New Jersey :  Prentice Hall ,  1964 . 
 - 150 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology<br/>Mathematics<br/>Metrics<br/>Calculus
<br/><br/><label>Dewey Class. No.: </label>514  / JOH-E