@misc{indiciae5a87844ff58d,
  title = {The correlation operator and pulse trains.},
  author = {M ten Hoopen},
  year = {1970},
  doi = {10.1007/bf02509329},
  url = {https://pubmed.ncbi.nlm.nih.gov/5484859/},
  note = {Source identifier: 5484859}
}