@article{CMJ_1998__48_2_a6, author = {Fiacca, Antonella and Papageorgiou, Nikolaos S. and Papalini, Francesca}, title = {On the existence of optimal controls for nonlinear infinite dimensional systems}, journal = {Czechoslovak Mathematical Journal}, pages = {291--312}, publisher = {mathdoc}, volume = {48}, number = {2}, year = {1998}, mrnumber = {1624323}, zbl = {0955.34049}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/CMJ_1998__48_2_a6/} }