@article{DE_1981_17_1_a15,
     author = {M. S. Salakhitdinov and M. Mirsaburov},
     title = {Some boundary value problems for a hyperbolic equation that degenerates inside the domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {129--136},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_1_a15/}
}