%0 Journal Article
%A S. S. Marchenkov
%T Representation of dictionary predicates from the arithmetical hierarchy
%J Diskretnaya Matematika
%D 1990
%P 87-93
%V 2
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1990_2_1_a9/
%G ru
%F DM_1990_2_1_a9