@article{CRMATH_2006__342_10_717_0,
     author = {Bourgain, Jean and Gamburd, Alex},
     title = {New results on expanders},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {717--721},
     publisher = {Elsevier},
     volume = {342},
     number = {10},
     year = {2006},
     doi = {10.1016/j.crma.2006.02.032},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2006.02.032/}
}