TY  - JOUR
AU  - P. V. Paramonov
TI  - $C^m$-approximations by harmonic polynomials on compact sets in~$\mathbb R^n$
JO  - Sbornik. Mathematics
PY  - 1994
SP  - 231
EP  - 251
VL  - 78
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1994_78_1_a14/
LA  - en
ID  - SM_1994_78_1_a14
ER  -