@article{IM_1992__110_2_144056,
     author = {Stephen Donkin},
     title = {Invariants of several matrices.},
     journal = {Inventiones mathematicae},
     pages = {389--402},
     publisher = {mathdoc},
     volume = {110},
     number = {2},
     year = {1992},
     zbl = {0826.20036},
     url = {http://geodesic.mathdoc.fr/item/IM_1992__110_2_144056/}
}