Lipschutz Seymour <br/><br/>
Schaum's out line of theory and problems of general topology. 

 -  1965 
<br/><br/><label>Standard No.: </label>15665 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B316, K5