%0 Journal Article
%T Sessions of the seminar ``Algebra i~Logika''
%J Algebra i logika
%D 2009
%P 675-676
%V 48
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2009_48_5_a6/
%G ru
%F AL_2009_48_5_a6