Narad Rampersad. Non-constructive Methods for Avoiding Repetitions in Words. In Juhani Karhumäki, Arto Lepistö, Luca Q. Zamboni, editors, Combinatorics on Words - 9th International Conference, WORDS 2013, Turku, Finland, September 16-20. Proceedings. Volume 8079 of Lecture Notes in Computer Science, pages 15-17, Springer, 2013. [doi]
Abstract is missing.