@article{TRSPY_2017_298_a13,
     author = {P. V. Paramonov},
     title = {New {Criteria} for {Uniform} {Approximability} by {Harmonic} {Functions} on {Compact} {Sets} in $\mathbb R^2$},
     journal = {Informatics and Automation},
     pages = {216--226},
     publisher = {mathdoc},
     volume = {298},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2017_298_a13/}
}