%0 Journal Article %A V. Guillemin %A S. Sternberg %T Convexity properties of the moment mapping. II. %J Inventiones mathematicae %D 1984 %P 533-546 %V 77 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1984__77_143159/ %F IM_1984__77_143159