%0 Journal Article
%A R. I. Grigorchuk
%T On a~problem of day on nonelementary amenable groups in the class of finitely defined groups
%J Matematičeskie zametki
%D 1996
%P 774-775
%V 60
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1996_60_5_a12/
%G ru
%F MZM_1996_60_5_a12