%0 Journal Article
%A L. L. Maksimova
%A V. V. Rybakov
%T The lattice of normal modal logics
%J Algebra i logika
%D 1974
%P 188-216
%V 13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1974_13_2_a5/
%G ru
%F AL_1974_13_2_a5