%0 Journal Article %A Gunnar Forst %T Symmetric Harmonic Groups and Translation Invariant Dirichlet Spaces. %J Inventiones mathematicae %D 1972 %P 143-182 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1972__18_142179/ %F IM_1972__18_142179