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@article{DE_1989_25_11_a19, author = {V. A. Malovichko}, title = {Boundary value problems for degenerate and nondegenerate hyperbolic systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1977--1981}, publisher = {mathdoc}, volume = {25}, number = {11}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_11_a19/} }
V. A. Malovichko. Boundary value problems for degenerate and nondegenerate hyperbolic systems. Differencialʹnye uravneniâ, Tome 25 (1989) no. 11, pp. 1977-1981. http://geodesic.mathdoc.fr/item/DE_1989_25_11_a19/