@ARTICLE{topputo2015earth,
  author = {Topputo, F. and Belbruno, E.},
  title = {{Earth--Mars Transfers with Ballistic Capture}},
  journal = {Celestial Mechanics and Dynamical Astronomy},
  year = {2015},
  volume = {121},
  pages = {329--346},
  doi = {10.1007/s10569-009-9222-5},
}