@article{DE_1972_8_12_a15,
     author = {M. L. Rasulov},
     title = {Solution of one-dimensional linear mixed problems for a system with coefficients constant in time},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2225--2234},
     publisher = {mathdoc},
     volume = {8},
     number = {12},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_12_a15/}
}