@article{COCV_2009__15_4_782_0,
     author = {Casas, Eduardo and Mateos, Mariano and Raymond, Jean-Pierre},
     title = {Penalization of {Dirichlet} optimal control problems},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {782--809},
     publisher = {EDP-Sciences},
     volume = {15},
     number = {4},
     year = {2009},
     doi = {10.1051/cocv:2008049},
     mrnumber = {2567245},
     zbl = {1175.49027},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2008049/}
}