@misc{W2167413626,
  author = {A.R. Calderbank and Eric M. Rains and Peter Shor and N. J. A. Sloane},
  title = {Quantum error correction via codes over GF(4)},
  year = {1998},
  howpublished = {IEEE Transactions on Information Theory},
  doi = {https://doi.org/10.1109/18.681315}
}