%0 Journal Article %A E. I. Gordon %T Hyperfinite approximations of locally compact abelian groups %J Doklady Akademii Nauk %D 1990 %P 1044-1047 %V 314 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_314_5_a3/ %G ru %F DAN_1990_314_5_a3