@article{COCV_2015__21_4_924_0,
     author = {Fall, Mouhamed Moustapha and Jarohs, Sven},
     title = {Overdetermined problems with fractional laplacian},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {924--938},
     publisher = {EDP-Sciences},
     volume = {21},
     number = {4},
     year = {2015},
     doi = {10.1051/cocv/2014048},
     zbl = {1329.35223},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2014048/}
}