Hu, S. T. <br/><br/>
Elements of general topology. 
S.T.Hu 
 - San Francisco,  Holden-Day,  1972. 
 - x, 214 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology.
<br/><br/><label>Universal Decimal Class. No.: </label>515.12  / HU