Hatcher, Allen. <br/><br/>
Algebraic topology / 
Allen Hatcher. 
 - [S.l.] :  Cambridge University Press,  2002. 
 - 556 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0521795400 9780521795401 
<br/><br/><label>Dewey Class. No.: </label>514.2