@article{TRSPY_2018_301_a0,
     author = {A. O. Bagapsh and K. Yu. Fedorovskiy},
     title = {$C^m$ approximation of functions by solutions of second-order elliptic systems on compact sets in the plane},
     journal = {Informatics and Automation},
     pages = {7--17},
     publisher = {mathdoc},
     volume = {301},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2018_301_a0/}
}