@article{10_4171_ifb_318,
     author = {Chiara Bianchini and Antoine Henrot and Paolo Salani},
     title = {An overdetermined problem with non-constant boundary condition},
     journal = {Interfaces and free boundaries},
     pages = {215--241},
     year = {2014},
     volume = {16},
     number = {2},
     doi = {10.4171/ifb/318},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/318/}
}