%0 Journal Article %A B. S. Pitskel' %T On informational futures of amenable groups %J Doklady Akademii Nauk %D 1975 %P 1067-1070 %V 223 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_223_5_a7/ %G ru %F DAN_1975_223_5_a7