%0 Journal Article
%A P. M. Yuditskii
%T On the upper envelope of a family of rational functions, not
%J Doklady Akademii Nauk
%D 1989
%P 815-818
%V 307
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_307_4_a10/
%G ru
%F DAN_1989_307_4_a10