%0 Journal Article
%A A. V. Gladkii
%T To the editors of ``Algebra and Logic''
%J Algebra i logika
%D 1967
%P 113
%V 6
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1967_6_1_a10/
%G ru
%F AL_1967_6_1_a10