%0 Journal Article
%A E. Sh. Chatskaya
%T Some approximation problems on sets in the complex plane
%J Doklady Akademii Nauk
%D 1965
%P 30-32
%V 162
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_162_1_a5/
%G ru
%F DAN_1965_162_1_a5