@article{COCV_2013__19_3_754_0,
     author = {Cagnetti, Filippo and Gomes, Diogo and Tran, Hung Vinh},
     title = {Adjoint methods for obstacle problems and weakly coupled systems of {PDE}},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {754--779},
     publisher = {EDP-Sciences},
     volume = {19},
     number = {3},
     year = {2013},
     doi = {10.1051/cocv/2012032},
     mrnumber = {3092361},
     zbl = {1273.35090},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2012032/}
}