@article{Cybenko_1989,
    doi = {10.1007/bf02551274},
    url = {https://doi.org/10.1007%2Fbf02551274},
    year = {1989},
    month = {dec},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {2},
    number = {4},
    pages = {303--314},
    author = {G. Cybenko},
    title = {Approximation by superpositions of a sigmoidal function},
    journal = {Mathematics of Control, Signals, and Systems}
}

@article{Cybenko_1989, doi = {10.1007/bf02551274}, url = {https://doi.org/10.1007%2Fbf02551274}, year = {1989}, month = {dec}, publisher = {Springer Science and Business Media {LLC}}, volume = {2}, number = {4}, pages = {303--314}, author = {G. Cybenko}, title = {Approximation by superpositions of a sigmoidal function}, journal = {Mathematics of Control, Signals, and Systems} }