1. Bartholomew-Biggs, M.C., 1980. The Optimisation of Spacecraft Orbital Manoeuvres. I - Linearly Varying Thrust Angles. II - Using Pontryagin’s Maximum Principle, Vol. 82. NASA STI/Recon Technical Report A, pp. 29–74.
2. Optimum coplanar two-impulse transfers between elliptic orbits;Bender;Aerosp. Eng.,1962
3. JAX: composable transformations of Python+NumPy programs;Bradbury,2018
4. Eletric propulsion for solar system exploration;Brophy;J. Propuls. Power,1998
5. Orbital planar maneuvers using two and three-four (through infinity) impulses;Broucke;J. Guid. Control Dyn.,1996