TY  - JOUR
AU  - T. Yu. Mikhailova
TI  - Symmetrization of invariant hyperbolic equations
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 546
EP  - 550
VL  - 270
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_270_3_a7/
LA  - ru
ID  - DAN_1983_270_3_a7
ER  -