@article{Khachiyan_1980,
    doi = {10.1016/0041-5553(80)90061-0},
    url = {https://doi.org/10.1016%2F0041-5553%2880%2990061-0},
    year = {1980},
    month = {jan},
    publisher = {Elsevier {BV}},
    volume = {20},
    number = {1},
    pages = {53--72},
    author = {L.G. Khachiyan},
    title = {Polynomial algorithms in linear programming},
    journal = {{USSR} Computational Mathematics and Mathematical Physics}
}

@article{Khachiyan_1980, doi = {10.1016/0041-5553(80)90061-0}, url = {https://doi.org/10.1016%2F0041-5553%2880%2990061-0}, year = {1980}, month = {jan}, publisher = {Elsevier {BV}}, volume = {20}, number = {1}, pages = {53--72}, author = {L.G. Khachiyan}, title = {Polynomial algorithms in linear programming}, journal = {{USSR} Computational Mathematics and Mathematical Physics} }