@article{10_4171_ggd_168,
     author = {Itai Benjamini and Oded Schramm and \'Ad\'am Tim\'ar},
     title = {On the separation profile of infinite graphs},
     journal = {Groups, geometry, and dynamics},
     pages = {639--658},
     year = {2012},
     volume = {6},
     number = {4},
     doi = {10.4171/ggd/168},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/168/}
}