%0 Journal Article %A Arne Hole %T Invariant Differential Operators and Polynomials of Lie Transformation Groups. %J Mathematica Scandinavica %D 1974 %P 109-123 %V 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1974__34_166350/ %F MS2_1974__34_166350