TY  - JOUR
AU  - P. V. Paramonov
AU  - K. Yu. Fedorovskiy
TI  - On $C^m$-reflection of harmonic functions and $C^m$-approximation by harmonic polynomials
JO  - Sbornik. Mathematics
PY  - 2020
SP  - 1159
EP  - 1170
VL  - 211
IS  - 8
UR  - http://geodesic.mathdoc.fr/item/SM_2020_211_8_a3/
LA  - en
ID  - SM_2020_211_8_a3
ER  -