@article{DE_1965_1_9_a9,
     author = {G. B. Mustafaev},
     title = {An expansion formula connected with the boundary value problem with a complex parameter for systems of differential equations of the first order},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1246--1259},
     publisher = {mathdoc},
     volume = {1},
     number = {9},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_9_a9/}
}