@article{GMJ_1995__2_3_47328,
     author = {Kharibegashvili, S.},
     title = {On a spatial problem of {Darboux} type for a second-order hyperbolic equation.},
     journal = {Georgian Mathematical Journal},
     pages = {299--311},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1995},
     zbl = {0829.35069},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1995__2_3_47328/}
}