1. Vinter, R. B., Optimal Control, Birkhäuser, Boston, MA, 2000, pp.1-4, 30-39, 58, 60, 203-215, 435-491.
2. SEVERAL TRAJECTORY OPTIMIZATION TECHNIQUES
3. Bryson, A. E., Dynamic Optimization, Addison Wesley Longman, Inc., Reading, MA, 1999, pp.125-130, 140-144, 183-185, 193-196, 381-401.
4. Near-Optimal Low-Thrust Earth-Mars Trajectories via a Genetic Algorithm