@article{PruefertSchiela2009, author = {Uwe Pr{\"u}fert and Anton Schiela}, title = {The Minimization of a maximum-norm functional subject to an elliptic PDE and state constraints}, journal = {Z. angew. Math. Mech.}, volume = {89}, number = {7}, pages = {536 -- 551}, year = {2009}, }