%0 Journal Article %A Fabien Durand %T A theorem of Cobham for non-primitive substitutions %J Acta Arithmetica %D 2002 %P 225-241 %V 104 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa104-3-2/ %R 10.4064/aa104-3-2 %G en %F 10_4064_aa104_3_2