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@article{DAN_1966_171_6_a9, author = {M. M. Lavrent'ev and V. G. Romanov}, title = {Three linearized inverse problems for hyperbolic equations}, journal = {Doklady Akademii Nauk}, pages = {1279--1281}, publisher = {mathdoc}, volume = {171}, number = {6}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_6_a9/} }
M. M. Lavrent'ev; V. G. Romanov. Three linearized inverse problems for hyperbolic equations. Doklady Akademii Nauk, Tome 171 (1966) no. 6, pp. 1279-1281. http://geodesic.mathdoc.fr/item/DAN_1966_171_6_a9/