@article{Williams_2005,
    doi = {10.1016/j.tcs.2005.09.023},
    url = {https://doi.org/10.1016%2Fj.tcs.2005.09.023},
    year = {2005},
    month = {dec},
    publisher = {Elsevier {BV}},
    volume = {348},
    number = {2-3},
    pages = {357--365},
    author = {Ryan Williams},
    title = {A new algorithm for optimal 2-constraint satisfaction and its implications},
    journal = {Theoretical Computer Science}
}

@article{Williams_2005, doi = {10.1016/j.tcs.2005.09.023}, url = {https://doi.org/10.1016%2Fj.tcs.2005.09.023}, year = {2005}, month = {dec}, publisher = {Elsevier {BV}}, volume = {348}, number = {2-3}, pages = {357--365}, author = {Ryan Williams}, title = {A new algorithm for optimal 2-constraint satisfaction and its implications}, journal = {Theoretical Computer Science} }