%0 Journal Article
%A V. A. Lyubetskii
%T Some algebraic questions of nonstandard analysis
%J Doklady Akademii Nauk
%D 1985
%P 38-41
%V 280
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1985_280_1_a7/
%G ru
%F DAN_1985_280_1_a7