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@article{TRSPY_1951_38_a10, author = {M. A. Lavrent'ev}, title = {The {Dirichlet} problem for a narrow stratum}, journal = {Informatics and Automation}, pages = {146--151}, publisher = {mathdoc}, volume = {38}, year = {1951}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1951_38_a10/} }
M. A. Lavrent'ev. The Dirichlet problem for a narrow stratum. Informatics and Automation, Trudy Matematicheskogo Instituta imeni V. A. Steklova, Tome 38 (1951), pp. 146-151. http://geodesic.mathdoc.fr/item/TRSPY_1951_38_a10/