Ondrej Klíma, Libor Polák. Alternative Automata Characterization of Piecewise Testable Languages. In Marie-Pierre Béal, Olivier Carton, editors, Developments in Language Theory - 17th International Conference, DLT 2013, Marne-la-Vallée, France, June 18-21, 2013. Proceedings. Volume 7907 of Lecture Notes in Computer Science, pages 289-300, Springer, 2013. [doi]
Abstract is missing.