@misc{indiciae28a7fe94cbe2,
  title = {The selection of a least squares approximating function to satisfy a given error tolerance},
  author = {Anders, E. B. and Dupree, D. E. and Harmon, F. L. and Hickman, R. A. and Oneil, J.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640011047},
  note = {Source identifier: 19640011047}
}