%0 Journal Article %A J. Bliedtner %A W. Hansen %T Simplicial Cones in Potential Theory II (Approxiamtion Theorems). %J Inventiones mathematicae %D 1978 %P 255-276 %V 46 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1978__46_142564/ %F IM_1978__46_142564