@article{M2AN_2013__47_1_83_0,
     author = {Larnier, Stanislas and Masmoudi, Mohamed},
     title = {The extended adjoint method},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {83--108},
     publisher = {EDP-Sciences},
     volume = {47},
     number = {1},
     year = {2013},
     doi = {10.1051/m2an/2012020},
     mrnumber = {2968696},
     zbl = {1271.65102},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an/2012020/}
}