@article{somenegativeresultsforsinglelayerand,
  title = {Negative results for approximation using single layer and multilayer feedforward neural networks},
  author = {J. M. Almira and P. E. Lopez-de-Teruel and D. J. Romero-Lopez and F. Voigtlaender},
  year = {2018},
  eprint = {1810.10032},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1810.10032v4},
}