@article{EP_2012_35_a9,
     author = {Amaury Mouchet},
     title = {Algebraic spectral gaps},
     journal = {ESAIM. Proceedings},
     pages = {151--166},
     publisher = {mathdoc},
     volume = {35},
     year = {2012},
     doi = {10.1051/proc/201235009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/201235009/}
}