TY  - JOUR
AU  - A. V. Dmitruk
TI  - Quadratic conditions for a weak minimum for singular regimes in optimal control problems
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 523
EP  - 526
VL  - 233
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_233_4_a3/
LA  - ru
ID  - DAN_1977_233_4_a3
ER  -