@article{GDZPPN002095343,
title = {Closures of Conjugacy Classes of Matrices are Normal.},
journal = {Inventiones mathematicae},
volume = {55},
year = {1979},
pages = {227-248},
zbl = {0434.14026},
url = {http://dml.mathdoc.fr/item/GDZPPN002095343}
}
Kraft, Hanspeter; Procesi, Claudio. Closures of Conjugacy Classes of Matrices are Normal.. Inventiones mathematicae, Tome 55 (1979) pp. 227-248. http://gdmltest.u-ga.fr/item/GDZPPN002095343/