@article{copyingmachinelearningclassifiers,
  title = {Copying Machine Learning Classifiers},
  author = {Irene Unceta and Jordi Nin and Oriol Pujol},
  year = {2019},
  eprint = {1903.01879},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1903.01879v2},
}