TY - JOUR AU - E. A. Nisnevich TI - \"Etale cohomology, $T$-genus and integral orbits of affine group schemes JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1975 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1975_30_3_a15/ LA - ru ID - RM_1975_30_3_a15 ER -