%0 Journal Article
%A I. A. Blatov
%A V. V. Strygin
%T Estimates that are unimprovable with respect to order in
%J Doklady Akademii Nauk
%D 1993
%P 424-426
%V 328
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_328_4_a1/
%G ru
%F DAN_1993_328_4_a1