TY  - JOUR
AU  - D. K. Gvazava
TI  - Problems with initial and characteristic conditions for hyperbolic equations with a nonlinear principal part
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 22
EP  - 27
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_1_a3/
LA  - ru
ID  - DE_1983_19_1_a3
ER  -