@misc{indiciae2b8b9a5c7aa9,
  title = {Time-optimal rendezvous for elliptic orbits},
  author = {Alfriend, K. T. and Kashiwagi, Y.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680012733},
  note = {Source identifier: 19680012733}
}