@misc{indiciae9d3cf6a1dcaf,
  title = {On some extremal positive definite functions.},
  author = {Garsia, A. and Rodemich, E. and Rumsey, H.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690054842},
  note = {Source identifier: 19690054842}
}