@misc{indiciae8db6072e9a13,
  title = {The Commutativity of One-Parameter Transformations in Real Variables.},
  author = {A C Lunn},
  year = {1920},
  doi = {10.1073/pnas.6.1.24},
  url = {https://pubmed.ncbi.nlm.nih.gov/16576446/},
  note = {Source identifier: 16576446}
}