TY  - JOUR
AU  - Ioffe, A.
TI  - On necessary conditions in variable end-time optimal control problems
JO  - Control and Cybernetics
PY  - 2005
SP  - 805
EP  - 817
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CC_2005_34_3_a9/
LA  - en
ID  - CC_2005_34_3_a9
ER  -