Viro, O.Ya et al <br/><br/>
Elementary topology: Problem textbook 

 - Providence  AMS  2008 
 - xix; 400p 
<br/><br/><label>ISBN: </label>9780821845066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology-Textbooks<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>514/VIR