TY  - JOUR
AU  - D. V. Tunitsky
TI  - Nonlinear hyperbolic systems with two independent variables
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 147
EP  - 155
VL  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_1_a16/
LA  - ru
ID  - DE_1991_27_1_a16
ER  -