@article{DE_1982_18_6_a16,
     author = {A. Kh. Shamilov},
     title = {The solvability of a problem for an elliptic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1061--1071},
     publisher = {mathdoc},
     volume = {18},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_6_a16/}
}