%0 Journal Article %A V. I. Frenkel' %T Algorithm problems in partially ordered groups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1962 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1962_17_4_a13/ %G ru %F RM_1962_17_4_a13