%0 Journal Article %A K.-H. Ulbrich %T Galois extensions as functors of comodules. %J Manuscripta mathematica %D 1987 %P 391-398 %V 59 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1987__59_155257/ %F MM2_1987__59_155257