TY - JOUR AU - R. A. Sarkisyan TI - Galois cohomology and some questions of the theory of algorithms JO - Sbornik. Mathematics PY - 1981 SP - 519 EP - 545 VL - 39 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1981_39_4_a5/ LA - en ID - SM_1981_39_4_a5 ER -