TY - JOUR AU - V. V. Ishkhanov TI - Duality mappings for Galois cohomology JO - Zapiski Nauchnykh Seminarov POMI PY - 1980 SP - 81 EP - 85 VL - 100 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1980_100_a5/ LA - ru ID - ZNSL_1980_100_a5 ER -