@article{M2AN_2011__45_3_505_0,
     author = {Clason, Christian and Ito, Kazufumi and Kunisch, Karl},
     title = {Minimal invasion: {An} optimal $L^\infty $ state constraint problem},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {505--522},
     publisher = {EDP-Sciences},
     volume = {45},
     number = {3},
     year = {2011},
     doi = {10.1051/m2an/2010064},
     zbl = {1269.65060},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/m2an/2010064/}
}