00298nam a2200121Ia 4500082001900000100001900019245003100038260003400069300001000103490005300113500000500166700000500171 a519.2bL954.CF aLukacs, Eugene aCharacteristic functionsb aLondonbCharles Griffinc1960 a216p. aGriffin's Statistical monographs and coursesv 5 a a