@article{00770113,
title = {On a spatial problem of Darboux type for a second-order hyperbolic equation.},
journal = {Georgian Mathematical Journal},
volume = {2},
year = {1995},
pages = {299-311},
doi = {10.1007/BF02261703},
zbl = {0829.35069},
language = {en},
url = {http://dml.mathdoc.fr/item/00770113}
}
Kharibegashvili, S. On a spatial problem of Darboux type for a second-order hyperbolic equation.. Georgian Mathematical Journal, Tome 2 (1995) pp. 299-311. doi : 10.1007/BF02261703. http://gdmltest.u-ga.fr/item/00770113/