@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/}
}