TY - JOUR AU - N. A. Vavilov TI - Unipotent elements in subgroups of extended Chevalley groups that JO - Doklady Akademii Nauk PY - 1993 SP - 536 EP - 539 VL - 328 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_328_5_a1/ LA - ru ID - DAN_1993_328_5_a1 ER -