%0 Journal Article
%A L. E. Sadovskii
%T An approximation theorem and lattice isomorphisms
%J Doklady Akademii Nauk
%D 1965
%P 300-303
%V 161
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_161_2_a11/
%G ru
%F DAN_1965_161_2_a11