%0 Journal Article %A Haruzo Hida %T Automorphism groups of Shimura varieties %J Documenta mathematica %D 2006 %P 25-56 %V 11 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/203/ %R 10.4171/dm/203 %F 10_4171_dm_203