%0 Journal Article
%A Bas Edixhoven
%A Chandrashekhar Khare
%T Hasse invariant and group cohomology
%J Documenta mathematica
%D 2003
%P 43-50
%V 8
%U http://geodesic.mathdoc.fr/articles/10.4171/dm/136/
%R 10.4171/dm/136
%F 10_4171_dm_136