@article{DE_1984_20_7_a16,
     author = {Yu. I. Mokin},
     title = {Direct method of solution of the {Neumann} problem for the {Poisson} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1247--1253},
     year = {1984},
     volume = {20},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_7_a16/}
}