%0 Journal Article
%A M. I. Kanovitch
%T On the complexity of approximation of arithmetic sets
%J Doklady Akademii Nauk
%D 1973
%P 1038-1041
%V 211
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_211_5_a6/
%G ru
%F DAN_1973_211_5_a6