TY  - JOUR
AU  - Papageorgiou, Nikolaos S.
TI  - An existence theorem for a class of nonlinear  elliptic optimal control problems
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1991
SP  - 273
EP  - 279
VL  - 32
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1991__32_2_a8/
LA  - en
ID  - CMUC_1991__32_2_a8
ER  -