@misc{indiciaece4da5f2b764,
  title = {ON GROUPS DEFINED BY A = 1, B AB = A, B = A.},
  author = {M J Weiss},
  year = {1929},
  doi = {10.1073/pnas.15.12.903},
  url = {https://pubmed.ncbi.nlm.nih.gov/16587529/},
  note = {Source identifier: 16587529}
}