@misc{indiciaed0a8e73418eb,
  title = {Flight trajectories around planets with return to earth},
  author = {Brauze, V. R. E. and Da Hkov, A. A. and Kubasov, V. N.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690005335},
  note = {Source identifier: 19690005335}
}