TY - JOUR AU - Alexander Lubotzky TI - Finite simple groups of Lie type as expanders JO - Journal of the European Mathematical Society PY - 2011 SP - 1331 EP - 1341 VL - 13 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/282/ DO - 10.4171/jems/282 ID - JEMS_2011_13_5_a3 ER -