Lofschetz, Solomon  1884 <br/><br/>
Topology 

 - 2a. ed. 
 - New York :   Chelsea,   1956. 
 - xi, 413 p. :   il. ;   21 cm. 
<br/><br/> Bibliography, p. 393-407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TOPOLOGIA
<br/><br/><label>Universal Decimal Class. No.: </label>513.83