%0 Journal Article %A W. Rossmann %T Picard-Lefschetz theory for the coadjoint quotient of a semisimple Lie algebra. %J Inventiones mathematicae %D 1995 %P 531-578 %V 121 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1995__121_3_144310/ %F IM_1995__121_3_144310