@conference{Court2018, author = {Court, Sebastien and Kunisch, Karl and Pfeiffer, Laurent}, year = {2018}, pages = {1031-1060}, title = {HYBRID OPTIMAL CONTROL PROBLEMS FOR A CLASS OF SEMILINEAR PARABOLIC EQUATIONS}, volume = {11}, journal = {Discret. Contin. Dyn. Syst.-Ser. S} }