TY  - JOUR
AU  - P. V. Paramonov
TI  - Criteria for the individual $C^m$-approximability of~functions on compact subsets of~$\mathbb R^N$ by solutions of second-order homogeneous elliptic equations
JO  - Sbornik. Mathematics
PY  - 2018
SP  - 857
EP  - 870
VL  - 209
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2018_209_6_a5/
LA  - en
ID  - SM_2018_209_6_a5
ER  -