@article{DE_1988_24_5_a13,
     author = {P. T. Dybov},
     title = {Solvability of the first boundary value problem for an equation of elliptic type in the unit disk},
     journal = {Differencialʹnye uravneni\^a},
     pages = {844--852},
     publisher = {mathdoc},
     volume = {24},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_5_a13/}
}