@article{Furst_1984,
    doi = {10.1007/bf01744431},
    url = {https://doi.org/10.1007%2Fbf01744431},
    year = {1984},
    month = {dec},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {17},
    number = {1},
    pages = {13--27},
    author = {Merrick Furst and James B. Saxe and Michael Sipser},
    title = {Parity, circuits, and the polynomial-time hierarchy},
    journal = {Mathematical Systems Theory}
}

@article{Furst_1984, doi = {10.1007/bf01744431}, url = {https://doi.org/10.1007%2Fbf01744431}, year = {1984}, month = {dec}, publisher = {Springer Science and Business Media {LLC}}, volume = {17}, number = {1}, pages = {13--27}, author = {Merrick Furst and James B. Saxe and Michael Sipser}, title = {Parity, circuits, and the polynomial-time hierarchy}, journal = {Mathematical Systems Theory} }