%0 Journal Article %A Florian Luca %A Carl Pomerance %T On the range of Carmichael's universal-exponent function %J Acta Arithmetica %D 2014 %P 289-308 %V 162 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa162-3-6/ %R 10.4064/aa162-3-6 %G en %F 10_4064_aa162_3_6