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@article{IM_1995__121_3_144310, author = {W. Rossmann}, title = {Picard-Lefschetz theory for the coadjoint quotient of a semisimple {Lie} algebra.}, journal = {Inventiones mathematicae}, pages = {531--578}, publisher = {mathdoc}, volume = {121}, number = {3}, year = {1995}, zbl = {0861.22008}, url = {http://geodesic.mathdoc.fr/item/IM_1995__121_3_144310/} }
W. Rossmann. Picard-Lefschetz theory for the coadjoint quotient of a semisimple Lie algebra.. Inventiones mathematicae, Tome 121 (1995) no. 3, pp. 531-578. http://geodesic.mathdoc.fr/item/IM_1995__121_3_144310/