@misc{indiciae319a8ce51654,
  title = {Analysis and testing of numerical formulas for the initial value problem},
  author = {Brown, R. L. and Kovach, K. R. and Popyack, J. L.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800008539},
  note = {Source identifier: 19800008539}
}