Baum John D <br/><br/>
Elements of point set topology 

 -  1964 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71887 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology
<br/><br/><label>Dewey Class. No.: </label>B316, K4