@article{CRMATH_2009__347_7-8_357_0,
     author = {Bourgain, Jean},
     title = {Expanders and dimensional expansion},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {357--362},
     publisher = {Elsevier},
     volume = {347},
     number = {7-8},
     year = {2009},
     doi = {10.1016/j.crma.2009.02.009},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2009.02.009/}
}