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@article{DAN_1978_238_2_a7, author = {V. M. Byrdin}, title = {Radiation conditions for certain boundary value problems with the {Helmholtz} equations}, journal = {Doklady Akademii Nauk}, pages = {293--295}, publisher = {mathdoc}, volume = {238}, number = {2}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_238_2_a7/} }
V. M. Byrdin. Radiation conditions for certain boundary value problems with the Helmholtz equations. Doklady Akademii Nauk, Tome 238 (1978) no. 2, pp. 293-295. http://geodesic.mathdoc.fr/item/DAN_1978_238_2_a7/