@misc{indiciaef4d5de170745,
  title = {Multirate sampled-data systems analysis via vector operators},
  author = {Boykin, W. H. and Frazier, B. D.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750054991},
  note = {Source identifier: 19750054991}
}