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@article{DAN_1968_181_3_a11, author = {V. G. Romanov}, title = {A certain formulation of the inverse problem for a generalized wave equation}, journal = {Doklady Akademii Nauk}, pages = {554--557}, publisher = {mathdoc}, volume = {181}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_181_3_a11/} }
V. G. Romanov. A certain formulation of the inverse problem for a generalized wave equation. Doklady Akademii Nauk, Tome 181 (1968) no. 3, pp. 554-557. http://geodesic.mathdoc.fr/item/DAN_1968_181_3_a11/