@article{Hornik_1991,
    doi = {10.1016/0893-6080(91)90009-t},
    url = {https://doi.org/10.1016%2F0893-6080%2891%2990009-t},
    year = {1991},
    publisher = {Elsevier {BV}},
    volume = {4},
    number = {2},
    pages = {251--257},
    author = {Kurt Hornik},
    title = {Approximation capabilities of multilayer feedforward networks},
    journal = {Neural Networks}
}

@article{Hornik_1991, doi = {10.1016/0893-6080(91)90009-t}, url = {https://doi.org/10.1016%2F0893-6080%2891%2990009-t}, year = {1991}, publisher = {Elsevier {BV}}, volume = {4}, number = {2}, pages = {251--257}, author = {Kurt Hornik}, title = {Approximation capabilities of multilayer feedforward networks}, journal = {Neural Networks} }