@article{GDZPPN002336545, title = {Upper semicontinuity of isotropy and automorphism groups.}, journal = {Mathematische Annalen}, volume = {293}, year = {1992}, pages = {533-546}, zbl = {0738.32019}, url = {http://dml.mathdoc.fr/item/GDZPPN002336545} }
Ma, Daowei. Upper semicontinuity of isotropy and automorphism groups.. Mathematische Annalen, Tome 293 (1992) pp. 533-546. http://gdmltest.u-ga.fr/item/GDZPPN002336545/