Rational homotopy theory  NULL 
Félix, Y. 
 - New York :  Springer,  2001 
 - xxxii, 535 p. ;  NULL  25 cm. 
 - Graduate texts in mathematics ;  205  NULL .
<br/><br/> NULL 
<br/><br/><label>ISBN: </label>0387950680 (acid-free paper)