TY  - JOUR
AU  - V. I. Kazimirov
AU  - V. I. Plotnikov
AU  - I. M. Starobinets
TI  - A~necessary condition for an extremum in smooth problems with operator constraints
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1983
SP  - 21
EP  - 26
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1983_8_a3/
LA  - ru
ID  - IVM_1983_8_a3
ER  -