1. Burnside groups of odd exponents and irreducible systems of group identities;Adjan,1973
2. Démonstration de l'existence de suites asymétriques infinies;Aršon;Mat. Sb.,1937
3. On the base-dependence of sets of numbers recognizable by finite automata;Cobham;Math. Systems Theory,1969
4. Uniform tag sequences;Cobham;Math. Systems Theory,1972
5. Sur un théorème de Thue;Dejean;J. Combinatorial Theory,1972