%0 Journal Article
%A M. D. Sterlin
%T Exact constants in inverse theorems in the theory of approximations
%J Doklady Akademii Nauk
%D 1972
%P 545-547
%V 202
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_202_3_a12/
%G ru
%F DAN_1972_202_3_a12