@misc{viola1998dynamical,
  title={Dynamical Decoupling of Open Quantum Systems},
  author={Lorenza Viola and Emanuel Knill and Seth Lloyd},
  year={1998},
  eprint={quant-ph/9809071},
  archivePrefix={arXiv},
  primaryClass={quant-ph},
  doi={10.1103/PhysRevLett.82.2417},
  url={https://arxiv.org/abs/quant-ph/9809071}
}