TY  - JOUR
AU  - E. R. Avakov
AU  - G. G. Magaril-Il'yaev
TI  - Controllability and second-order necessary conditions for optimality
JO  - Sbornik. Mathematics
PY  - 2019
SP  - 1
EP  - 23
VL  - 210
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2019_210_1_a0/
LA  - en
ID  - SM_2019_210_1_a0
ER  -