TY  - JOUR
AU  - Yu. V. Malyshev
TI  - Systems with an invariant set
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 2141
EP  - 2145
VL  - 9
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_12_a2/
LA  - ru
ID  - DE_1973_9_12_a2
ER  -