01149nam 2200373 45009900007969402033163-7643-5075-x0079694USA010079694(ALEPH)000079694USA01007969420011210d1994----km-y0ENGy0103----baengDEDiscrete groups, expanding fraphs and invariant measuresAlexander Lubotzkyappendix by Jonathan D. RogawskiBaselBirkhauserc1994XI, 195 p.24 cmProgress in mathematics1252001Progress in mathematics125Sistemi discretiTeoria dei grafi512.2LUBOTZKY,Alexander61328ROGAWSKI,JonathanITsalbcISBD990000796940203316512.2 LUB11168 ING512.2BKTECPATTY9020011210USA01103820020403USA011726PATRY9020040406USA011655Discrete groups, expanding fraphs and invariant measures966025UNISA