%0 Journal Article
%A P. A. Alekseev
%A M. I. Golovanov
%T On admissible rules for the polymodal logic ${\rm S}5_n{\rm
%J Algebra i logika
%D 1997
%P 483-493
%V 36
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1997_36_5_a0/
%G ru
%F AL_1997_36_5_a0