@article{TRSPY_1987_180_a7,
     author = {O. Yu. Anferov and M. A. Galakhov},
     title = {On a~boundary value problem of mathematical physics for a~hyperbolic system of equations},
     journal = {Informatics and Automation},
     pages = {29--30},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a7/}
}