%0 Journal Article
%A Yu. A. Brudnyi
%A P. A. Shvartsman
%T Extension of functions with preservation of smoothness
%J Informatics and Automation
%D 1987
%P 60-61
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a28/
%G ru
%F TRSPY_1987_180_a28