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@article{DE_1985_21_3_a25, author = {T. N. Sysoeva}, title = {A singularly perturbed boundary value problem of hyperbolic type}, journal = {Differencialʹnye uravneni\^a}, pages = {531--533}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_3_a25/} }
T. N. Sysoeva. A singularly perturbed boundary value problem of hyperbolic type. Differencialʹnye uravneniâ, Tome 21 (1985) no. 3, pp. 531-533. http://geodesic.mathdoc.fr/item/DE_1985_21_3_a25/