@article{GDZPPN002195380, title = {Uniform instability in reductive groups.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, volume = {302}, year = {1978}, pages = {74-96}, zbl = {0386.20020}, url = {http://dml.mathdoc.fr/item/GDZPPN002195380} }
Hesselink, Wim H. Uniform instability in reductive groups.. Journal für die reine und angewandte Mathematik, Tome 302 (1978) pp. 74-96. http://gdmltest.u-ga.fr/item/GDZPPN002195380/