%0 Journal Article
%A V. I. Burenkov
%A A. L. Gorbunov
%T A two-sided estimate for the minimal norm of the extension
%J Doklady Akademii Nauk
%D 1993
%P 680-682
%V 330
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_330_6_a1/
%G ru
%F DAN_1993_330_6_a1