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@article{DE_1981_17_1_a11, author = {N. M. Kurbatova}, title = {On the {Dirichlet} problem for a system of second-order equations of composite type}, journal = {Differencialʹnye uravneni\^a}, pages = {91--96}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_1_a11/} }
N. M. Kurbatova. On the Dirichlet problem for a system of second-order equations of composite type. Differencialʹnye uravneniâ, Tome 17 (1981) no. 1, pp. 91-96. http://geodesic.mathdoc.fr/item/DE_1981_17_1_a11/