TY  - JOUR
AU  - V. F. Krotov
TI  - Sufficient conditions for the optimality of discrete control systems
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 18
EP  - 21
VL  - 172
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a3/
LA  - ru
ID  - DAN_1967_172_1_a3
ER  -