@article{DE_1965_1_12_a9,
     author = {G. N. Mil'shtein},
     title = {On a boundary value problem for a system of two differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1628--1639},
     publisher = {mathdoc},
     volume = {1},
     number = {12},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_12_a9/}
}