@article{Perrin_2021,
    title = {Graded alphabets, circular codes, free Lie algebras and comma-free codes},
    volume = {344},
    issn = {0012-365X},
    url = {http://dx.doi.org/10.1016/j.disc.2020.112167},
    doi = {10.1016/j.disc.2020.112167},
    number = {1},
    journal = {Discrete Mathematics},
    publisher = {Elsevier BV},
    author = {Perrin, Dominique and Reutenauer, Christophe},
    year = {2021},
    month = {jan},
    pages = {112167},
    date-added = {2024-4-5 9:43:13 +0100}
}

@article{Perrin_2021, title = {Graded alphabets, circular codes, free Lie algebras and comma-free codes}, volume = {344}, issn = {0012-365X}, url = {http://dx.doi.org/10.1016/j.disc.2020.112167}, doi = {10.1016/j.disc.2020.112167}, number = {1}, journal = {Discrete Mathematics}, publisher = {Elsevier BV}, author = {Perrin, Dominique and Reutenauer, Christophe}, year = {2021}, month = {jan}, pages = {112167}, date-added = {2024-4-5 9:43:13 +0100} }