@article{DE_2003_39_3_a9,
     author = {V. N. Gol'dberg},
     title = {A {Mixed} {Problem} for a {System} of {Telegraph} {Equations:} {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {367--376},
     publisher = {mathdoc},
     volume = {39},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_3_a9/}
}