%0 Journal Article
%T Sessions of the seminar ``Algebra i Logika''
%J Algebra i logika
%D 2001
%P 619-623
%V 40
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2001_40_5_a7/
%G ru
%F AL_2001_40_5_a7