%0 Journal Article
%A G. Ts. Tumarkin
%T On simultaneous approximation in the mean of complex-valued functions given along several closed curves
%J Doklady Akademii Nauk
%D 1957
%P 710-713
%V 114
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a8/
%G ru
%F DAN_1957_114_4_a8