TY  - JOUR
AU  - Z. O. Mel'nik
TI  - A problem with integral constraints for general two-dimensional hyperbolic equations and systems
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 246
EP  - 253
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_2_a7/
LA  - ru
ID  - DE_1985_21_2_a7
ER  -