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@article{DAN_1964_155_3_a1, author = {N. G. Askerov and S. G. Krein and G. I. Laptev}, title = {On a class of non-selfadjoint boundary-value problems}, journal = {Doklady Akademii Nauk}, pages = {499--502}, publisher = {mathdoc}, volume = {155}, number = {3}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_3_a1/} }
N. G. Askerov; S. G. Krein; G. I. Laptev. On a class of non-selfadjoint boundary-value problems. Doklady Akademii Nauk, Tome 155 (1964) no. 3, pp. 499-502. http://geodesic.mathdoc.fr/item/DAN_1964_155_3_a1/