1. Automatic Sequences: Theory, Applications, Generalizations;Allouche,2003
2. A generalization of Cobham’s theorem;Durand;Theory Comput. Syst.,1998
3. A theorem of Cobham for non-primitive substitutions;Durand;Acta Arith.,2002
4. Syndeticity and independent substitutions;Durand;Adv. Appl. Math.,2009
5. Repetitions of subwords in D0L languages;Ehrenfeucht;Inform. and Comput.,1983