%0 Journal Article
%A S. E. Zhukovskiy
%A K. V. Storozhuk
%T On Smooth Functions That Are Even on the Boundary of a Ball
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2023
%P 156-161
%V 321
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_2023_321_a9/
%G ru
%F TM_2023_321_a9