@misc{indiciaebea2dbcd545e,
  title = {Examination of accelerated first order methods for aircraft flight path optimization},
  author = {Denham, W. F. and Kelley, H. J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690001731},
  note = {Source identifier: 19690001731}
}