@misc{NeitzelPruefertSlawig2009, author = {Ira Neitzel and Uwe Pr{\"u}fert and Thomas Slawig}, title = {On Solving Parabolic Optimal Control Problems by Using Space-Time Discretization}, institution = {Technische Universit{\"a}t Berlin}, type = {preprintmatheon}, year = {2009}, }