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@article{DAN_1961_139_4_a6, author = {Yu. A. Klokov}, title = {Boundary-value problems with conditions at $\pm\infty$}, journal = {Doklady Akademii Nauk}, pages = {799--801}, publisher = {mathdoc}, volume = {139}, number = {4}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a6/} }
Yu. A. Klokov. Boundary-value problems with conditions at $\pm\infty$. Doklady Akademii Nauk, Tome 139 (1961) no. 4, pp. 799-801. http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a6/