@article{CC_2008_37_1_a3,
     author = {Meyer, C.},
     title = {Error estimates for the finite-element approximation of an elliptic control problem with pointwise state and control constraints},
     journal = {Control and Cybernetics},
     pages = {51--83},
     year = {2008},
     volume = {37},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2008_37_1_a3/}
}