Juhani Karhumäki, Wojciech Plandowski. On the complexity of computing the order of repetition of a string. In Grzegorz Rozenberg, Wolfgang Thomas, editors, Developments in Language Theory, Foundations, Applications, and Perspectives, Aachen, Germany, 6-9 July 1999. pages 178-184, World Scientific, 1999.
@inproceedings{KarhumakiP99, title = {On the complexity of computing the order of repetition of a string}, author = {Juhani Karhumäki and Wojciech Plandowski}, year = {1999}, researchr = {https://researchr.org/publication/KarhumakiP99}, cites = {0}, citedby = {0}, pages = {178-184}, booktitle = {Developments in Language Theory, Foundations, Applications, and Perspectives, Aachen, Germany, 6-9 July 1999}, editor = {Grzegorz Rozenberg and Wolfgang Thomas}, publisher = {World Scientific}, isbn = {981-02-4380-4}, }