%0 Journal Article %A A. O. Bagapsh %A K. Yu. Fedorovskiy %T $C^1$ Approximation of Functions by Solutions of Second-Order Elliptic Systems on Compact Sets in $\mathbb R^2$ %J Informatics and Automation %D 2017 %P 42-57 %V 298 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2017_298_a2/ %G ru %F TRSPY_2017_298_a2