%0 Journal Article
%A V. F. Kostyrko
%T The reduction-class $\forall \exists ^n\forall $
%J Algebra i logika
%D 1964
%P 45-55
%V 3
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1964_3_5_a2/
%G ru
%F AL_1964_3_5_a2