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@article{IM_1993__112_3_144093, author = {Chun-Lian Terng}, title = {Convexity theorem for infinite dimensional isoparametric submanifolds.}, journal = {Inventiones mathematicae}, pages = {9--22}, publisher = {mathdoc}, volume = {112}, number = {3}, year = {1993}, zbl = {0792.58004}, url = {http://geodesic.mathdoc.fr/item/IM_1993__112_3_144093/} }
Chun-Lian Terng. Convexity theorem for infinite dimensional isoparametric submanifolds.. Inventiones mathematicae, Tome 112 (1993) no. 3, pp. 9-22. http://geodesic.mathdoc.fr/item/IM_1993__112_3_144093/