@article{IM2_2017_81_3_a3,
     author = {N. A. Zhura and A. P. Soldatov},
     title = {A boundary-value problem for a~first-order hyperbolic system in a~two-dimensional domain},
     journal = {Izvestiya. Mathematics },
     pages = {542--567},
     publisher = {mathdoc},
     volume = {81},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2017_81_3_a3/}
}