@unpublished{167_PREPRINT,
 Author = {Marco Bernreuther and Georg M\"{u}ller and Stefan Volkwein},
 Note = {Preprint SPP1962-167},
 Title = {Stationarity Conditions and Scalarization in Multiobjective Optimal Control of a Nonsmooth PDE},
 Month = {4},
 Year = {2021}}