@article{Goemans_1995,
    doi = {10.1145/227683.227684},
    url = {https://doi.org/10.1145%2F227683.227684},
    year = {1995},
    month = {nov},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {42},
    number = {6},
    pages = {1115--1145},
    author = {Michel X. Goemans and David P. Williamson},
    title = {Improved approximation algorithms for maximum cut and satisfiability problems using semidefinite programming},
    journal = {Journal of the {ACM}}
}

@article{Goemans_1995, doi = {10.1145/227683.227684}, url = {https://doi.org/10.1145%2F227683.227684}, year = {1995}, month = {nov}, publisher = {Association for Computing Machinery ({ACM})}, volume = {42}, number = {6}, pages = {1115--1145}, author = {Michel X. Goemans and David P. Williamson}, title = {Improved approximation algorithms for maximum cut and satisfiability problems using semidefinite programming}, journal = {Journal of the {ACM}} }