@article{perfect-state-transfer-in-a-spin-chain-without-mirror-symmetry,
  title = {{Perfect state transfer in a spin chain without mirror symmetry}},
  author = {G Coutinho and L Vinet and H Zhan and A Zhedanov},
  year = {2019},
  journal = {Journal of Physics A: Mathematical and Theoretical 2019},
  doi = {10.1088/1751-8121/ab476e},
  eprint = {1903.04707},
  archivePrefix = {arXiv},
  url = {https://iopscience.iop.org/article/10.1088/1751-8121/ab476e/meta}
}