TY  - JOUR
AU  - V. N. Vragov
TI  - The Goursat and Darboux problems for a certain class of hyperbolic equations
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 7
EP  - 16
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_1_a1/
LA  - ru
ID  - DE_1972_8_1_a1
ER  -