@misc{indiciae5c11cbb56980,
  title = {Inequality constraints in primer-optimal, N-impulse solutions},
  author = {Faust, N. L. and Jezewski, D. J.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710044800},
  note = {Source identifier: 19710044800}
}