@book{von_zur_Gathen_2013,
    doi = {10.1017/cbo9781139856065},
    url = {https://doi.org/10.1017%2Fcbo9781139856065},
    year = {2013},
    month = {apr},
    publisher = {Cambridge University Press},
    author = {Joachim von zur Gathen and Jürgen Gerhard},
    title = {Modern Computer Algebra}
}

@book{von_zur_Gathen_2013, doi = {10.1017/cbo9781139856065}, url = {https://doi.org/10.1017%2Fcbo9781139856065}, year = {2013}, month = {apr}, publisher = {Cambridge University Press}, author = {Joachim von zur Gathen and Jürgen Gerhard}, title = {Modern Computer Algebra} }