@article{DE_1994_30_5_a15,
     author = {E. I. Moiseev},
     title = {On the spectral characteristics of a nonlocal boundary value problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {864--872},
     year = {1994},
     volume = {30},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_5_a15/}
}