%0 Journal Article %A Alexander Lubotzky %T Finite simple groups of Lie type as expanders %J Journal of the European Mathematical Society %D 2011 %P 1331-1341 %V 13 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/282/ %R 10.4171/jems/282 %F JEMS_2011_13_5_a3