%0 Journal Article
%A A. F. Timan
%T A geometric problem in the theory of approximations
%J Doklady Akademii Nauk
%D 1961
%P 307-310
%V 140
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_140_2_a8/
%G ru
%F DAN_1961_140_2_a8