@article{Droste_1999,
    title = {The Kleene–Schützenberger Theorem for Formal Power Series in Partially Commuting Variables},
    volume = {153},
    issn = {0890-5401},
    url = {http://dx.doi.org/10.1006/inco.1999.2799},
    doi = {10.1006/inco.1999.2799},
    number = {1},
    journal = {Information and Computation},
    publisher = {Elsevier BV},
    author = {Droste, Manfred and Gastin, Paul},
    year = {1999},
    month = {aug},
    pages = {47–80},
    date-added = {2025-7-1 7:9:44 +0100}
}

@article{Droste_1999, title = {The Kleene–Schützenberger Theorem for Formal Power Series in Partially Commuting Variables}, volume = {153}, issn = {0890-5401}, url = {http://dx.doi.org/10.1006/inco.1999.2799}, doi = {10.1006/inco.1999.2799}, number = {1}, journal = {Information and Computation}, publisher = {Elsevier BV}, author = {Droste, Manfred and Gastin, Paul}, year = {1999}, month = {aug}, pages = {47–80}, date-added = {2025-7-1 7:9:44 +0100} }