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@article{DE_1973_9_7_a17, author = {M. Meredov}, title = {The {Goursat} and the {Darboux} problem for a certain class of hyperbolic systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1326--1333}, publisher = {mathdoc}, volume = {9}, number = {7}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_7_a17/} }
M. Meredov. The Goursat and the Darboux problem for a certain class of hyperbolic systems. Differencialʹnye uravneniâ, Tome 9 (1973) no. 7, pp. 1326-1333. http://geodesic.mathdoc.fr/item/DE_1973_9_7_a17/