@article{DE_1974_10_9_a13,
     author = {L. A. Kalyakin},
     title = {The first boundary value problem for elliptic equations in an unbounded domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1684--1691},
     publisher = {mathdoc},
     volume = {10},
     number = {9},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_9_a13/}
}