@article{GDZPPN002424975, title = {A Filtration for Rational Modules.}, journal = {Mathematische Zeitschrift}, volume = {177}, year = {1981}, pages = {1-8}, zbl = {0455.20029}, url = {http://dml.mathdoc.fr/item/GDZPPN002424975} }
Donkin, Stephen. A Filtration for Rational Modules.. Mathematische Zeitschrift, Tome 177 (1981) pp. 1-8. http://gdmltest.u-ga.fr/item/GDZPPN002424975/