TY  - JOUR
AU  - Bergounioux, Maïtine
AU  - Mignot, Fulbert
TI  - Optimal control of obstacle problems : existence of Lagrange multipliers
JO  - ESAIM: Control, Optimisation and Calculus of Variations
PY  - 2000
SP  - 45
EP  - 70
VL  - 5
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/COCV_2000__5__45_0/
LA  - en
ID  - COCV_2000__5__45_0
ER  -