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@article{IM_1990__101_2_143824, author = {Stephen Donkin}, title = {The normality of closures of conjugacy classes of matrices.}, journal = {Inventiones mathematicae}, pages = {717--736}, publisher = {mathdoc}, volume = {101}, number = {2}, year = {1990}, zbl = {0822.20045}, url = {http://geodesic.mathdoc.fr/item/IM_1990__101_2_143824/} }
Stephen Donkin. The normality of closures of conjugacy classes of matrices.. Inventiones mathematicae, Tome 101 (1990) no. 2, pp. 717-736. http://geodesic.mathdoc.fr/item/IM_1990__101_2_143824/