%0 Journal Article
%A V. N. Rusak
%T Exact orders of best rational approximations for classes of
%J Doklady Akademii Nauk
%D 1984
%P 810-812
%V 279
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_279_4_a9/
%G ru
%F DAN_1984_279_4_a9