@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/