@article{DE_1994_30_5_a14,
     author = {M. Meredov},
     title = {Uniqueness of the solution of the {Tricomi} and {Darboux} problem for an equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {858--863},
     year = {1994},
     volume = {30},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_5_a14/}
}