@misc{indiciaeb6a281343fe9,
  title = {Quaternions and Their Generalizations.},
  author = {L E Dickson},
  year = {1921},
  doi = {10.1073/pnas.7.4.109},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576586/},
  note = {Source identifier: 16576586}
}