@article{DE_1988_24_5_a6,
     author = {V. A. Il'in and E. I. Moiseev},
     title = {An a priori estimate for the solution of a problem associated with a nonlocal boundary value problem of the first kind},
     journal = {Differencialʹnye uravneni\^a},
     pages = {795--804},
     publisher = {mathdoc},
     volume = {24},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_5_a6/}
}