%0 Journal Article %A William D. Banks %A John B. Friedlander %A Florian Luca %A Francesco Pappalardi %A Igor E. Shparlinski %T Coincidences in the values of the Euler and Carmichael functions %J Acta Arithmetica %D 2006 %P 207-234 %V 122 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa122-3-1/ %R 10.4064/aa122-3-1 %G en %F 10_4064_aa122_3_1