%0 Journal Article
%A P. V. Paramonov
%A K. Yu. Fedorovskiy
%T On $C^m$-reflection of harmonic functions and $C^m$-approximation by harmonic polynomials
%J Sbornik. Mathematics
%D 2020
%P 1159-1170
%V 211
%N 8
%U http://geodesic.mathdoc.fr/item/SM_2020_211_8_a3/
%G en
%F SM_2020_211_8_a3