%0 Journal Article
%T Sessions of the seminar “Algebra i Logika”
%J Algebra i logika
%D 1982
%P 242-243
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1982_21_2_a10/
%G ru
%F AL_1982_21_2_a10