@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/