%0 Journal Article %A S. I. Adian %T Unsolvability of some algorithmic problems in the theory of groups %J Trudy Moskovskogo matematičeskogo obŝestva %D 1957 %P 231-298 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1957_6_a4/ %G ru %F MMO_1957_6_a4