@ARTICLE{armellin2010gravity,
  author = {Armellin, R. and Di Lizia, P. and Topputo, F. and Lavagna, M. and Bernelli-Zazzera, F. and Berz, M.},
  title = {{Gravity Assist Space Pruning Based on Differential Algebra}},
  journal = {Celestial Mechanics and Dynamical Astronomy},
  year = {2010},
  volume = {106},
  pages = {1--24},
  number = {1},
  month = {January},
  doi = {10.1007/s10569-009-9235-0}
}