@article{DE_2000_36_8_a6,
     author = {V. N. Gol'dberg},
     title = {Branching of a $C_1$ solution of a mixed problem for a system of telegraph equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1060--1068},
     publisher = {mathdoc},
     volume = {36},
     number = {8},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_8_a6/}
}