@techreport{SchielaHintermueller2011, author = {Anton Schiela and Michael Hinterm{\"u}ller}, title = {On the Length of the Primal-Dual Path in Moreau-Yosida-based Path-following for State Constrained Optimal Control: Analysis and Numerics}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {11-37}, language = {eng}, year = {2011} }