00299nam a2200109Ia 4500100001700000110002800017245006700045260002400112300000900136490003900145490000500184  aGiraud, Jean  aUniversite de Paris-Sud  aEtude locale des singularitesbCours de 3`eme cycle, 1971-1972  aOrsay, Francec1980  av.p.  aPublications Mathematiques D'Orsay  a