@article{DE_1972_8_3_a10,
     author = {I. A. Danilova},
     title = {The third exterior boundary value problem for a second order elliptic {equation.~II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {486--493},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_3_a10/}
}