@article{DAN_1964_154_3_a3,
     author = {A. A. Gonchar},
     title = {Approximation of continuous functions by harmonic functions},
     journal = {Doklady Akademii Nauk},
     pages = {503--506},
     publisher = {mathdoc},
     volume = {154},
     number = {3},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a3/}
}