@article{10_4171_ifb_326,
     author = {Henry Kasumba and Karl Kunisch and Antoine Laurain},
     title = {A bilevel shape optimization problem for the exterior {Bernoulli} free boundary value problem},
     journal = {Interfaces and free boundaries},
     pages = {459--487},
     year = {2014},
     volume = {16},
     number = {4},
     doi = {10.4171/ifb/326},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/326/}
}