TY  - JOUR
AU  - A. S. Matveev
TI  - On the necessary conditions for an extremum in an optimal control problem with phase constraints
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 629
EP  - 640
VL  - 23
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_4_a8/
LA  - ru
ID  - DE_1987_23_4_a8
ER  -