@article{GDZPPN002107392, title = {Groups generated by k-transvections.}, journal = {Inventiones mathematicae}, volume = {100}, year = {1990}, pages = {167-206}, zbl = {0697.20018}, url = {http://dml.mathdoc.fr/item/GDZPPN002107392} }
Timmesfeld, F.G. Groups generated by k-transvections.. Inventiones mathematicae, Tome 100 (1990) pp. 167-206. http://gdmltest.u-ga.fr/item/GDZPPN002107392/