%0 Journal Article %A R. A. Sarkisyan %T A problem of equality for Galois cohomology %J Algebra i logika %D 1980 %P 707-725 %V 19 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1980_19_6_a8/ %G ru %F AL_1980_19_6_a8