TY  - JOUR
AU  - S. S. Kharibegashvili
TI  - Characteristic problem for a class of second-order hyperbolic systems with parabolic degeneration
JO  - Differencialʹnye uravneniâ
PY  - 1986
SP  - 153
EP  - 164
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1986_22_1_a17/
LA  - ru
ID  - DE_1986_22_1_a17
ER  -