%0 Journal Article
%T Sessions of the seminar “Algebra i Logika”
%J Algebra i logika
%D 1993
%P 471
%V 32
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1993_32_4_a6/
%G ru
%F AL_1993_32_4_a6