Michel Latteux. Valence Languages Generated by Equality Sets. Journal of Automata, Languages and Combinatorics, 9(4):399-406, 2004.
@article{Latteux04, title = {Valence Languages Generated by Equality Sets}, author = {Michel Latteux}, year = {2004}, researchr = {https://researchr.org/publication/Latteux04}, cites = {0}, citedby = {0}, journal = {Journal of Automata, Languages and Combinatorics}, volume = {9}, number = {4}, pages = {399-406}, }