@article{DE_1967_3_7_a5,
     author = {V. V. Ostroumov},
     title = {A question on the uniqueness of solutions of linear boundary value problems for ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1084--1087},
     publisher = {mathdoc},
     volume = {3},
     number = {7},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_7_a5/}
}