@article{DE_1967_3_6_a15,
     author = {V. R. Nosov},
     title = {Linear boundary value problems with small lag},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1025--1028},
     year = {1967},
     volume = {3},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_6_a15/}
}