@article{Chyzak_2000,
    doi = {10.1016/s0012-365x(99)00259-9},
    url = {https://doi.org/10.1016%2Fs0012-365x%2899%2900259-9},
    year = {2000},
    month = {apr},
    publisher = {Elsevier {BV}},
    volume = {217},
    number = {1-3},
    pages = {115--134},
    author = {Fr{\'{e}}d{\'{e}}ric Chyzak},
    title = {An extension of Zeilberger{\textquotesingle}s fast algorithm to general holonomic functions},
    journal = {Discrete Mathematics}
}

@article{Chyzak_2000, doi = {10.1016/s0012-365x(99)00259-9}, url = {https://doi.org/10.1016%2Fs0012-365x%2899%2900259-9}, year = {2000}, month = {apr}, publisher = {Elsevier {BV}}, volume = {217}, number = {1-3}, pages = {115--134}, author = {Fr{\'{e}}d{\'{e}}ric Chyzak}, title = {An extension of Zeilberger{\textquotesingle}s fast algorithm to general holonomic functions}, journal = {Discrete Mathematics} }