TY  - JOUR
AU  - S. S. Kharibegashvili
TI  - A boundary value problem for second-order normally hyperbolic systems with variable coefficients
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 149
EP  - 155
VL  - 21
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_1_a19/
LA  - ru
ID  - DE_1985_21_1_a19
ER  -