%0 Journal Article
%A È. M. Galeev
%A V. M. Tikhomirov
%T Stechkin's works devoted to optimal methods of approximation
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 1997
%P 961-965
%V 3
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_1997_3_4_a2/
%G ru
%F FPM_1997_3_4_a2