TY  - JOUR
AU  - M. P. Grigolia
TI  - On the uniqueness of the solution of the characteristic problem for higher-order hyperbolic differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1988
SP  - 1747
EP  - 1756
VL  - 24
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1988_24_10_a11/
LA  - ru
ID  - DE_1988_24_10_a11
ER  -