%0 Journal Article %A Yu. V. Kuz'min %T On some properties of free Abelian extensions %J Sbornik. Mathematics %D 1990 %P 303-315 %V 67 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1990_67_1_a17/ %G en %F SM_1990_67_1_a17