@misc{pfeiffer2020adapter,
  title={MAD-X: An Adapter-based Framework for Multi-task Cross-lingual Transfer},
  author={Jonas Pfeiffer and Ivan Vulić and Iryna Gurevych and Sebastian Ruder},
  year={2020},
  eprint={2005.00052},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2005.00052}
}