%0 Journal Article
%A V. M. Tikhomirov
%T Some problems in approximation theory
%J Doklady Akademii Nauk
%D 1965
%P 774-777
%V 160
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_160_4_a9/
%G ru
%F DAN_1965_160_4_a9