@inproceedings{11311_645747,
  author    = {Topputo, Francesco and Bernelli Zazzera, Franco},
  title     = {A Method to Solve Nonlinear Optimal Control Problems in Astrodynamics},
  year      = {2012},
  booktitle = {Dynamics and Control of Space Systems 2012},
  pages     = {1531--1543},
  publisher = {Univelt},
  isbn      = {9780877035879},
}