@article{DE_1966_2_7_a12,
     author = {M. A. Aleksidze},
     title = {Approximate solution of a mixed boundary value problem of the theory of harmonic functions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {988--994},
     year = {1966},
     volume = {2},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_7_a12/}
}