@misc{indiciaeeba1f0bec0fa,
  title = {An accurate method for two-point boundary value problems},
  author = {Walker, J. D. A. and Weigand, G. G.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790065402},
  note = {Source identifier: 19790065402}
}