TY  - JOUR
AU  - S. E. Zhelezovsky
AU  - V. Ph. Kirichenko
AU  - V. A. Krys'ko
TI  - Symmetrization of a hyperbolic equation
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 652
EP  - 659
VL  - 25
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_4_a12/
LA  - ru
ID  - DE_1989_25_4_a12
ER  -