Seminaire Bourbaki vol. 1975/76  exposes 471-488 

 - Berlin  Springer-Verlag  1977 
 - 290 p  25 cm 
 - Lecture notes in mathematics  567 .
<br/><br/> Contine bibliogr. pe capitole 
<br/><br/><label>ISBN: </label>0387080643