%0 Journal Article
%A V. I. Burenkov
%T Approximation by infinitely differentiable functions with preservation of boundary values
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1987
%P 68-70
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1987_180_a32/
%G ru
%F TM_1987_180_a32