@article{Ritt_1923,
    title = {Permutable rational functions},
    volume = {25},
    issn = {1088-6850},
    url = {http://dx.doi.org/10.1090/S0002-9947-1923-1501252-3},
    doi = {10.1090/s0002-9947-1923-1501252-3},
    number = {3},
    journal = {Transactions of the American Mathematical Society},
    publisher = {American Mathematical Society (AMS)},
    author = {Ritt, J. F.},
    year = {1923},
    pages = {399–448},
    date-added = {2025-1-7 17:18:37 +0100}
}

@article{Ritt_1923, title = {Permutable rational functions}, volume = {25}, issn = {1088-6850}, url = {http://dx.doi.org/10.1090/S0002-9947-1923-1501252-3}, doi = {10.1090/s0002-9947-1923-1501252-3}, number = {3}, journal = {Transactions of the American Mathematical Society}, publisher = {American Mathematical Society (AMS)}, author = {Ritt, J. F.}, year = {1923}, pages = {399–448}, date-added = {2025-1-7 17:18:37 +0100} }