@misc{indiciaee1a2aed7d7af,
  title = {Some experimental results concerning the error propagation in Runge-Kutta type integration formulas},
  author = {Fehlberg, E.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700031412},
  note = {Source identifier: 19700031412}
}