@article{Berg_1999,
    doi = {10.1007/s000370050017},
    url = {https://doi.org/10.1007%2Fs000370050017},
    year = {1999},
    month = {jun},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {8},
    number = {1},
    pages = {1--20},
    author = {C. Berg and S. Ulfberg},
    title = {Symmetric approximation arguments for monotone lower bounds without sunflowers},
    journal = {Computational Complexity}
}

@article{Berg_1999, doi = {10.1007/s000370050017}, url = {https://doi.org/10.1007%2Fs000370050017}, year = {1999}, month = {jun}, publisher = {Springer Science and Business Media {LLC}}, volume = {8}, number = {1}, pages = {1--20}, author = {C. Berg and S. Ulfberg}, title = {Symmetric approximation arguments for monotone lower bounds without sunflowers}, journal = {Computational Complexity} }