@article{DE_1987_23_3_a23,
     author = {A. S. Gupalo and G. P. Lopushanskaya},
     title = {On a representation of the solution of a generalized elliptic boundary value problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {518--521},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_3_a23/}
}