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@article{DE_1975_11_2_a11, author = {S. I. Gaiduk}, title = {A certain mixed problem for a system of equations with piecewise constant coefficients}, journal = {Differencialʹnye uravneni\^a}, pages = {309--322}, publisher = {mathdoc}, volume = {11}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_2_a11/} }
S. I. Gaiduk. A certain mixed problem for a system of equations with piecewise constant coefficients. Differencialʹnye uravneniâ, Tome 11 (1975) no. 2, pp. 309-322. http://geodesic.mathdoc.fr/item/DE_1975_11_2_a11/