@misc{indiciae2dbb74e063e3,
  title = {A kronecker-weyl theorem modulo 2.},
  author = {W A Veech},
  year = {1968},
  doi = {10.1073/pnas.60.4.1163},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591677/},
  note = {Source identifier: 16591677}
}