@article{DE_1987_23_3_a32,
     author = {D. V. Kapanadze},
     title = {On a nonlocal {Bitsadze{\textendash}Samarskiǐ} boundary value problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {543--545},
     year = {1987},
     volume = {23},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_3_a32/}
}