%0 Journal Article %A Masaki Kashiwara %A Michèle Vergne %T The Campbell-Hausdorff Formula and Invariant Hyperfunctions. %J Inventiones mathematicae %D 1978 %P 249-272 %V 47 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1978__47_142578/ %F IM_1978__47_142578