@article{JEMS_2015_17_2_a1,
     author = {Frank Bauer and Matthias Keller and Rados{\l}aw K. Wojciechowski},
     title = {Cheeger inequalities for unbounded graph {Laplacians}},
     journal = {Journal of the European Mathematical Society},
     pages = {259--271},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {2015},
     doi = {10.4171/jems/503},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/503/}
}