@misc{indiciaed8d3e971edd4,
  title = {Low-Thrust Many-Revolution Trajectory Optimization via Differential Dynamic Programming and a Sundman Transformation},
  author = {Aziz, Jonathan D. and Parker, Jeffrey S. and Scheeres, Daniel J. and Englander, Jacob A.},
  year = {2017},
  url = {https://ntrs.nasa.gov/citations/20170001473},
  note = {Source identifier: 20170001473}
}