%0 Journal Article %A Frank D. Grosshans %T Hilbert's Fourteenth Problem for Non-Reductive Groups. %J Mathematische Zeitschrift %D 1986 %P 95-104 %V 193 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1986__193_173771/ %F MZ_1986__193_173771