%0 Journal Article
%A S. A. Drobyshevich
%T Composition of an intuitionistic negation and negative modalities as a~necessity operator
%J Algebra i logika
%D 2013
%P 305-331
%V 52
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2013_52_3_a2/
%G ru
%F AL_2013_52_3_a2