Kangmin Fan, William F. Smyth, R. J. Simpson. A New Periodicity Lemma. In Alberto Apostolico, Maxime Crochemore, Kunsoo Park, editors, Combinatorial Pattern Matching, 16th Annual Symposium, CPM 2005, Jeju Island, Korea, June 19-22, 2005, Proceedings. Volume 3537 of Lecture Notes in Computer Science, pages 257-265, Springer, 2005. [doi]
Abstract is missing.