TY  - JOUR
AU  - V. N. Sushch
TI  - On some difference analogues of first-order invariant hyperbolic systems
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 411
EP  - 417
VL  - 35
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_3_a15/
LA  - ru
ID  - DE_1999_35_3_a15
ER  -