%0 Journal Article %A P. V. Yagodovskii %T Dual multivalued groups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2009 %P 955-957 %V 64 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2009_64_5_a7/ %G en %F RM_2009_64_5_a7