TY  - JOUR
AU  - E. M. Vorob'ev
TI  - Partial symmetries of systems of differential equations
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 536
EP  - 539
VL  - 287
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_287_3_a4/
LA  - ru
ID  - DAN_1986_287_3_a4
ER  -