@article{IM_1979__53_142663,
     author = {Hanspeter Kraft and Claudio Procesi},
     title = {Closures of {Conjugacy} {Classes} of {Matrices} are {Normal.}},
     journal = {Inventiones mathematicae},
     pages = {227--248},
     publisher = {mathdoc},
     volume = {53},
     year = {1979},
     zbl = {0434.14026},
     url = {http://geodesic.mathdoc.fr/item/IM_1979__53_142663/}
}