@article{GDZPPN002434873, title = {Invariants of Unipotent Radicals.}, journal = {Mathematische Zeitschrift}, volume = {199}, year = {1988}, pages = {117-126}, zbl = {0627.14013}, url = {http://dml.mathdoc.fr/item/GDZPPN002434873} }
Donkin, Stephen. Invariants of Unipotent Radicals.. Mathematische Zeitschrift, Tome 199 (1988) pp. 117-126. http://gdmltest.u-ga.fr/item/GDZPPN002434873/