@misc{W2027197837,
  author = {Kurt Hornik and Maxwell B. Stinchcombe and Halbert White},
  title = {Universal approximation of an unknown mapping and its derivatives using multilayer feedforward networks},
  year = {1990},
  howpublished = {Neural Networks},
  doi = {https://doi.org/10.1016/0893-6080(90)90005-6}
}