@article{DE_1982_18_1_a12,
     author = {M. S. Salakhitdinov and M. Mirsaburov},
     title = {Two nonlocal boundary value problems for a degenerate hyperbolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {116--127},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_1_a12/}
}