Mari Huova, Juhani Karhumäki, Aleksi Saarela, Kalle Saari. Local Squares, Periodicity and Finite Automata. In Cristian S. Calude, Grzegorz Rozenberg, Arto Salomaa, editors, Rainbow of Computer Science - Dedicated to Hermann Maurer on the Occasion of His 70th Birthday. Volume 6570 of Lecture Notes in Computer Science, pages 90-101, Springer, 2011. [doi]
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