TY  - JOUR
AU  - E. I. Ganzha
TI  - Higher Lie--B\"acklund symmetries of diagonal systems of hydrodynamic type
JO  - Differencialʹnye uravneniâ
PY  - 1994
SP  - 1725
EP  - 1730
VL  - 30
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1994_30_10_a9/
LA  - ru
ID  - DE_1994_30_10_a9
ER  -