@inproceedings{depthwidthtradeoffsinapproximating,
  title = {Depth-Width Tradeoffs in Approximating Natural Functions with Neural Networks},
  author = {Itay Safran and Ohad Shamir},
  year = {2016},
  booktitle = {ICML 2017 8},
  eprint = {1610.09887},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1610.09887v3},
}