@article{Kozlov_1980,
    doi = {10.1016/0041-5553(80)90098-1},
    url = {https://doi.org/10.1016%2F0041-5553%2880%2990098-1},
    year = {1980},
    month = {jan},
    publisher = {Elsevier {BV}},
    volume = {20},
    number = {5},
    pages = {223--228},
    author = {M.K. Kozlov and S.P. Tarasov and L.G. Khachiyan},
    title = {The polynomial solvability of convex quadratic programming},
    journal = {{USSR} Computational Mathematics and Mathematical Physics}
}

@article{Kozlov_1980, doi = {10.1016/0041-5553(80)90098-1}, url = {https://doi.org/10.1016%2F0041-5553%2880%2990098-1}, year = {1980}, month = {jan}, publisher = {Elsevier {BV}}, volume = {20}, number = {5}, pages = {223--228}, author = {M.K. Kozlov and S.P. Tarasov and L.G. Khachiyan}, title = {The polynomial solvability of convex quadratic programming}, journal = {{USSR} Computational Mathematics and Mathematical Physics} }