Andrei V. Kelarev, Peter G. Trotter. A Combinatorial Property of Languages and Monoids. In Masami Ito, Teruo Imaoka, editors, Proceedings of the International Colloquium on Words, Languages & Combinatorics III, Kyoto, Japan, March 14-18, 2000. pages 228-239, World Scientific, 2000.
@inproceedings{KelarevT00, title = {A Combinatorial Property of Languages and Monoids}, author = {Andrei V. Kelarev and Peter G. Trotter}, year = {2000}, researchr = {https://researchr.org/publication/KelarevT00}, cites = {0}, citedby = {0}, pages = {228-239}, booktitle = {Proceedings of the International Colloquium on Words, Languages & Combinatorics III, Kyoto, Japan, March 14-18, 2000}, editor = {Masami Ito and Teruo Imaoka}, publisher = {World Scientific}, isbn = {978-9810249489}, }