@article{DE_1988_24_4_a29,
     author = {V. B. Sokolovskii},
     title = {On a generalization of the {Neumann} problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {714--716},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_4_a29/}
}