@article{butterflynetoptimalfunctionrepresentatio,
  title = {Butterfly-Net: Optimal Function Representation Based on Convolutional Neural Networks},
  author = {Yingzhou Li and Xiuyuan Cheng and Jianfeng Lu},
  year = {2018},
  eprint = {1805.07451},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1805.07451v4},
}