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@article{DE_1984_20_1_a11, author = {D. G. Orlovskii}, title = {Inverse {Cauchy} problem for linear hyperbolic systems}, journal = {Differencialʹnye uravneni\^a}, pages = {98--104}, publisher = {mathdoc}, volume = {20}, number = {1}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_1_a11/} }
D. G. Orlovskii. Inverse Cauchy problem for linear hyperbolic systems. Differencialʹnye uravneniâ, Tome 20 (1984) no. 1, pp. 98-104. http://geodesic.mathdoc.fr/item/DE_1984_20_1_a11/