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@article{DAN_1978_242_3_a9, author = {V. G. Romanov}, title = {Inverse problems for hyperbolic equations and energy inequalities}, journal = {Doklady Akademii Nauk}, pages = {541--544}, publisher = {mathdoc}, volume = {242}, number = {3}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_242_3_a9/} }
V. G. Romanov. Inverse problems for hyperbolic equations and energy inequalities. Doklady Akademii Nauk, Tome 242 (1978) no. 3, pp. 541-544. http://geodesic.mathdoc.fr/item/DAN_1978_242_3_a9/