@article{DE_1971_7_10_a21,
     author = {A. V. Finkelstein},
     title = {The existence and uniqueness of the solution of a certain boundary value problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1918--1921},
     publisher = {mathdoc},
     volume = {7},
     number = {10},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_10_a21/}
}