MURRAY.R  SPIEGEL ,PHD <br/><br/>
SACHAUMS,S OUTLINE OF THEORY AND PROBLEMSOF GENERAL TOPOLOGY 

 - SINGAPORE  MC GRAW-HILL BOOK CO  1981 
<br/><br/><label>ISBN: </label>0-07-099010-7 
<br/><br/><label>Dewey Class. No.: </label>515.9  / SPI/S