@article{Pollack_2018,
    doi = {10.1090/mcom/3349},
    url = {https://doi.org/10.1090%2Fmcom%2F3349},
    year = {2018},
    month = {may},
    publisher = {American Mathematical Society ({AMS})},
    volume = {88},
    number = {316},
    pages = {1007--1019},
    author = {Paul Pollack and Peter Schorn},
    title = {Dirichlet's proof of the three-square theorem: An algorithmic perspective},
    journal = {Mathematics of Computation}
}

@article{Pollack_2018, doi = {10.1090/mcom/3349}, url = {https://doi.org/10.1090%2Fmcom%2F3349}, year = {2018}, month = {may}, publisher = {American Mathematical Society ({AMS})}, volume = {88}, number = {316}, pages = {1007--1019}, author = {Paul Pollack and Peter Schorn}, title = {Dirichlet's proof of the three-square theorem: An algorithmic perspective}, journal = {Mathematics of Computation} }