Author: Fiacca, Antonella

Fiacca, Antonella; Matzakos, Nikolas; Papageorgiou, Nikolaos S.; Servadei, Raffaella: Nonlinear elliptic differential equations with multivalued nonlinearities. (English). Czechoslovak Mathematical Journal, vol. 53 (2003), issue 1, pp. 135-159
Fiacca, Antonella; Papageorgiou, Nikolaos S.; Papalini, Francesca: On the existence of optimal controls for nonlinear infinite dimensional systems. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 2, pp. 291-312

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