Steen, Lynn Arthur. <br/><br/>
Counterexamples in topology 

 - New York, N.Y.   : Dover   , 1995 
 - xi, 244 p.  : il. 
<br/><br/><label>ISBN: </label>048668735X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> TOPOLOGIA<br/> AXIOMAS<br/> ESPACIOS METRICOS<br/> TOPOLOGIA ALGEBRAICA
<br/><br/><label>Universal Decimal Class. No.: </label>515.1 S814c