Claudio Gutiérrez. Exponent of Periodicity of Word Equations in Fixed Dimension is Polynomial. IJAC, 12(4):593-600, 2002. [doi]
@article{Gutierrez02,
title = {Exponent of Periodicity of Word Equations in Fixed Dimension is Polynomial},
author = {Claudio Gutiérrez},
year = {2002},
doi = {10.1142/S0218196702001036},
url = {http://dx.doi.org/10.1142/S0218196702001036},
researchr = {https://researchr.org/publication/Gutierrez02},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {12},
number = {4},
pages = {593-600},
}