@misc{indiciaeef3647d8963a,
  title = {On Infinite Dimensional Linear Spaces.},
  author = {G W Mackey},
  year = {1943},
  doi = {10.1073/pnas.29.7.216},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578078/},
  note = {Source identifier: 16578078}
}