@article{H_stad_1995,
    doi = {10.1007/bf01268140},
    url = {https://doi.org/10.1007%2Fbf01268140},
    year = {1995},
    month = {jun},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {5},
    number = {2},
    pages = {99--112},
    author = {J. Håstad and S. Jukna and P. Pudlák},
    title = {Top-down lower bounds for depth-three circuits},
    journal = {Computational Complexity}
}

@article{H_stad_1995, doi = {10.1007/bf01268140}, url = {https://doi.org/10.1007%2Fbf01268140}, year = {1995}, month = {jun}, publisher = {Springer Science and Business Media {LLC}}, volume = {5}, number = {2}, pages = {99--112}, author = {J. Håstad and S. Jukna and P. Pudlák}, title = {Top-down lower bounds for depth-three circuits}, journal = {Computational Complexity} }