@misc{indiciae75af2765275f,
  title = {Compound Multiplicative Diophantine Systems.},
  author = {E T Bell},
  year = {1940},
  doi = {10.1073/pnas.26.7.462},
  url = {https://pubmed.ncbi.nlm.nih.gov/16588384/},
  note = {Source identifier: 16588384}
}