%0 Journal Article %A N. A. Vavilov %T Unipotent elements in subgroups of extended Chevalley groups that %J Doklady Akademii Nauk %D 1993 %P 536-539 %V 328 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_328_5_a1/ %G ru %F DAN_1993_328_5_a1