@misc{alvarado2012optimal,
  title={On Optimal TCM Encoders},
  author={Alex Alvarado and Alexandre Graell i Amat and Fredrik Brannstrom and Erik Agrell},
  year={2012},
  eprint={1210.2107},
  archivePrefix={arXiv},
  primaryClass={cs.IT},
  url={https://arxiv.org/abs/1210.2107}
}