@article{Guo_2000,
    title = {Baxter Algebras and Shuffle Products},
    volume = {150},
    issn = {0001-8708},
    url = {http://dx.doi.org/10.1006/aima.1999.1858},
    doi = {10.1006/aima.1999.1858},
    number = {1},
    journal = {Advances in Mathematics},
    publisher = {Elsevier BV},
    author = {Guo, Li and Keigher, William},
    year = {2000},
    month = {mar},
    pages = {117–149},
    date-added = {2025-8-19 17:34:13 +0100}
}

@article{Guo_2000, title = {Baxter Algebras and Shuffle Products}, volume = {150}, issn = {0001-8708}, url = {http://dx.doi.org/10.1006/aima.1999.1858}, doi = {10.1006/aima.1999.1858}, number = {1}, journal = {Advances in Mathematics}, publisher = {Elsevier BV}, author = {Guo, Li and Keigher, William}, year = {2000}, month = {mar}, pages = {117–149}, date-added = {2025-8-19 17:34:13 +0100} }