@article{DE_1972_8_10_a28,
     author = {M. S. Shneerson and N. F. Kudryashova},
     title = {A certain oblique derivative problem for harmonic functions of three independent variables},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1906--1908},
     publisher = {mathdoc},
     volume = {8},
     number = {10},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_10_a28/}
}