Gaal, Steven A. <br/><br/>
Point set topology 
Steven A. Gaal 
 - New York  Dover Publications  2009 
 - xi,317p. ;  23cm 
<br/><br/><label>ISBN: </label>978-0-486-47222-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology
<br/><br/><label>Dewey Class. No.: </label>514.322  / GAA