@misc{indiciaeaebc3befadaf,
  title = {Geometrical interpretation and graphical solution to minimum energy discrete-data control Scientific report no. 9},
  author = {Hung, J. C. and Revington, A. M.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660004269},
  note = {Source identifier: 19660004269}
}