A theory of ultimately periodic languages and automata with an application to time granularity.

Davide Bresolin Angelo Montanari Gabriele Puppis A theory of ultimately periodic languages and automata with an application to time granularity. 331-360 2009 46 Acta Inf. 5 http://dx.doi.org/10.1007/s00236-009-0094-7 db/journals/acta/acta46.html#BresolinMP09