@misc{indiciae4a87f256c1f8,
  title = {Groups Involving Only Two Operators Which are Squares.},
  author = {A G Miller},
  year = {1919},
  doi = {10.1073/pnas.5.7.272},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576391/},
  note = {Source identifier: 16576391}
}