@article{10_4171_ifb_325,
     author = {Lorenzo Brasco and Erik Lindgren and Enea Parini},
     title = {The fractional {Cheeger} problem},
     journal = {Interfaces and free boundaries},
     pages = {419--458},
     year = {2014},
     volume = {16},
     number = {3},
     doi = {10.4171/ifb/325},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/325/}
}