%0 Journal Article %A M. Ya. Mazalov %A P. V. Paramonov %A K. Yu. Fedorovskiy %T Criteria for $C^m$-approximability of functions by solutions of homogeneous second-order elliptic equations on compact subsets of $\mathbb{R}^N$ and related capacities %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2024 %P 847-917 %V 79 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2024_79_5_a2/ %G en %F RM_2024_79_5_a2