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@article{MAN_1992__292_2_164927, author = {Daowei Ma}, title = {Upper semicontinuity of isotropy and automorphism groups.}, journal = {Mathematische Annalen}, pages = {533--546}, publisher = {mathdoc}, volume = {292}, number = {2}, year = {1992}, zbl = {0738.32019}, url = {http://geodesic.mathdoc.fr/item/MAN_1992__292_2_164927/} }
Daowei Ma. Upper semicontinuity of isotropy and automorphism groups.. Mathematische Annalen, Tome 292 (1992) no. 2, pp. 533-546. http://geodesic.mathdoc.fr/item/MAN_1992__292_2_164927/