TY  - JOUR
AU  - Petit, Philippe
TI  - On the optimal control of implicit systems
JO  - ESAIM: Control, Optimisation and Calculus of Variations
PY  - 1998
SP  - 49
EP  - 81
VL  - 3
PB  - EDP-Sciences
UR  - http://archive.numdam.org/item/COCV_1998__3__49_0/
LA  - en
ID  - COCV_1998__3__49_0
ER  -