TY  - JOUR
AU  - Kharibegashvili, S.
TI  - On some multidimensional versions of a characteristic problem for second-order degenerating hyperbolic equations.
JO  - Georgian Mathematical Journal
PY  - 1998
SP  - 139
EP  - 156
VL  - 5
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/GMJ_1998__5_2_47995/
LA  - en
ID  - GMJ_1998__5_2_47995
ER  -