%0 Journal Article
%A V. A. Lyubetskii
%T Transfer theorems and the algebra of modal operators
%J Algebra i logika
%D 1997
%P 282-303
%V 36
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1997_36_3_a3/
%G ru
%F AL_1997_36_3_a3