%0 Journal Article
%A V. V. Rybakov
%T A decidable noncompact extension of the logic ${\rm S}4$
%J Algebra i logika
%D 1978
%P 210-219
%V 17
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1978_17_2_a7/
%G ru
%F AL_1978_17_2_a7