TY  - JOUR
AU  - V. A. Vyazgin
TI  - On necessary and sufficient conditions for a maximin in control problems
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 888
EP  - 890
VL  - 21
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_5_a20/
LA  - ru
ID  - DE_1985_21_5_a20
ER  -