TY  - JOUR
AU  - A. M. Nakhushev
TI  - A multidimensional analogue of the problem of Darboux for hyperbolic equations
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 31
EP  - 34
VL  - 194
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_194_1_a6/
LA  - ru
ID  - DAN_1970_194_1_a6
ER  -