@article{transferlearningfornonparametric,
  title = {Transfer Learning for Nonparametric Classification: Minimax Rate and Adaptive Classifier},
  author = {T. Tony Cai and Hongji Wei},
  year = {2019},
  eprint = {1906.02903},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.02903v1},
}