%0 Journal Article
%A V. V. Rybakov
%T Admissible rules for pretabular modal logics
%J Algebra i logika
%D 1981
%P 440-464
%V 20
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1981_20_4_a5/
%G ru
%F AL_1981_20_4_a5