%0 Journal Article
%A P. E. Alaev
%T Ash’s theorem on $\Delta^0_\alpha$-categorical structures and a~condition for infinite $\Delta^0_\alpha$-dimension
%J Algebra i logika
%D 2015
%P 551-574
%V 54
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2015_54_5_a0/
%G ru
%F AL_2015_54_5_a0