TY  - JOUR
AU  - A. V. Arutyunov
AU  - V. N. Rozova
TI  - Regular zeros of a quadratic mapping and local controllability of nonlinear systems
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 723
EP  - 728
VL  - 35
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_6_a0/
LA  - ru
ID  - DE_1999_35_6_a0
ER  -