Pervin, William J. <br/><br/>
Foundations of general topology/ 
William J. Pervin. 
 - New York:  Academic Press,  [1964]. 
 - xi, 209 p.:  24 cm. 
 - Academic Press textbooks in mathematics .
<br/><br/>Bibliography: p. 197-200. 
<br/><br/><label>LCCN: </label>64017796 //r83 
<br/><br/><label>Nat. Bib. No.: </label>GB64-13150 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology.
<br/><br/><label>Dewey Class. No.: </label>514  / P471f