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@article{DE_1971_7_4_a8, author = {I. A. Danilova}, title = {The third exterior boundary value problem for a second order elliptic equation. {I}}, journal = {Differencialʹnye uravneni\^a}, pages = {661--669}, publisher = {mathdoc}, volume = {7}, number = {4}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_4_a8/} }
I. A. Danilova. The third exterior boundary value problem for a second order elliptic equation. I. Differencialʹnye uravneniâ, Tome 7 (1971) no. 4, pp. 661-669. http://geodesic.mathdoc.fr/item/DE_1971_7_4_a8/