%0 Journal Article
%A B. D. Boyanov
%T An extension of the Markov inequality
%J Doklady Akademii Nauk
%D 1982
%P 13-15
%V 262
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1982_262_1_a1/
%G ru
%F DAN_1982_262_1_a1