@article{BerstelReutenauer_TCS_2008,
    title = {{Extension of Brzozowski's derivation calculus of rational expressions to series over the free partially commutative monoids}},
    volume = {400},
    issn = {0304-3975},
    url = {http://dx.doi.org/10.1016/j.tcs.2008.02.051},
    doi = {10.1016/j.tcs.2008.02.051},
    number = {1–3},
    journal = {Theoretical Computer Science},
    publisher = {Elsevier BV},
    author = {Berstel, Jean and Reutenauer, Christophe},
    year = {2008},
    month = {jun},
    pages = {144--158},
    date-added = {2025-7-3 7:3:4 +0100}
}

@article{BerstelReutenauer_TCS_2008, title = {{Extension of Brzozowski's derivation calculus of rational expressions to series over the free partially commutative monoids}}, volume = {400}, issn = {0304-3975}, url = {http://dx.doi.org/10.1016/j.tcs.2008.02.051}, doi = {10.1016/j.tcs.2008.02.051}, number = {1–3}, journal = {Theoretical Computer Science}, publisher = {Elsevier BV}, author = {Berstel, Jean and Reutenauer, Christophe}, year = {2008}, month = {jun}, pages = {144--158}, date-added = {2025-7-3 7:3:4 +0100} }