TY  - JOUR
AU  - V. V. Velichenko
TI  - On the problem of invariance of dynamical systems
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 263
EP  - 266
VL  - 184
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_184_2_a0/
LA  - ru
ID  - DAN_1969_184_2_a0
ER  -