@article{DE_1988_24_9_a24,
     author = {Ho K'ang Cher},
     title = {Some solutions of the homogeneous {Darboux} problem for a degenerate hyperbolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1641--1643},
     publisher = {mathdoc},
     volume = {24},
     number = {9},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_9_a24/}
}