@article{CMH_1994__69_4_140329,
     author = {Steven Donkin},
     title = {Polynomial invariants of representations of quivers.},
     journal = {Commentarii mathematici Helvetici},
     pages = {137--141},
     publisher = {mathdoc},
     volume = {69},
     number = {4},
     year = {1994},
     zbl = {0816.16015},
     url = {http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140329/}
}