%0 Journal Article %A Burkhard Haastert %T On direct and inverse images of D-Modules in prime characteristic. %J Manuscripta mathematica %D 1988 %P 341-354 %V 62 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1988__62_3_155351/ %F MM2_1988__62_3_155351