@article{M2AN_2009__43_2_209_0,
     author = {Griesse, Roland and Kunisch, Karl},
     title = {A semi-smooth {Newton} method for solving elliptic equations with gradient constraints},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {209--238},
     publisher = {EDP-Sciences},
     volume = {43},
     number = {2},
     year = {2009},
     doi = {10.1051/m2an:2008049},
     mrnumber = {2512495},
     zbl = {1161.65338},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/m2an:2008049/}
}