%0 Journal Article
%A K. V. Runovskii
%T Direct and inverse theorems of approximation theory in the spaces $L_p$, $0
%J Doklady Akademii Nauk
%D 1993
%P 684-686
%V 331
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_331_6_a8/
%G ru
%F DAN_1993_331_6_a8