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@article{DE_1978_14_1_a9, author = {V. G. Romanov}, title = {The problem of determining the coefficients of a linear hyperbolic system}, journal = {Differencialʹnye uravneni\^a}, pages = {94--103}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_1_a9/} }
V. G. Romanov. The problem of determining the coefficients of a linear hyperbolic system. Differencialʹnye uravneniâ, Tome 14 (1978) no. 1, pp. 94-103. http://geodesic.mathdoc.fr/item/DE_1978_14_1_a9/