@article{minimaxsemiparametriclearningwith,
  title = {Minimax Semiparametric Learning With Approximate Sparsity},
  author = {Jelena Bradic and Victor Chernozhukov and Whitney K. Newey and Yinchu Zhu},
  year = {2019},
  eprint = {1912.12213},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1912.12213v6},
}