TY  - JOUR
AU  - E. B. Frolov
TI  - A criterion for the attainability of nonlinear systems given on manifolds
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 944
EP  - 948
VL  - 17
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_5_a25/
LA  - ru
ID  - DE_1981_17_5_a25
ER  -