%0 Journal Article
%A Giordano Favi
%A Grégory Berhuy
%T Essential dimension: A functorial point of view (after A. Merkurjev)
%J Documenta mathematica
%D 2003
%P 279-330
%V 8
%U http://geodesic.mathdoc.fr/articles/10.4171/dm/145/
%R 10.4171/dm/145
%F 10_4171_dm_145