TY - JOUR AU - M. Artin TI - Covering cohomologies of schemes JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1965 VL - 20 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1965_20_6_a1/ LA - ru ID - RM_1965_20_6_a1 ER -