%0 Journal Article %A S. I. Adian %T Defining relations and algorithmic problems for groups and semigroups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1966 %P 3-123 %V 85 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1966_85_a0/ %G ru %F TM_1966_85_a0