TY - JOUR AU - V. É. Kordonskii TI - Essential dimension and the second Serre conjecture for exceptional groups JO - Matematičeskie zametki PY - 2000 SP - 539 EP - 547 VL - 68 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2000_68_4_a4/ LA - ru ID - MZM_2000_68_4_a4 ER -