%0 Journal Article %A Albrecht Fröhlich %T Ideals in an extension field as modules over the algebraic integers in a finite number field. %J Mathematische Zeitschrift %D 1960 %P 29-38 %V 74 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1960__74_169867/ %F MZ_1960__74_169867