References
[Shepperd1985]
Shepperd, S. W. (1985) “Universal Keplerian state transition matrix”, Celestial Mechanics and Dynamical Astronomy, 35(2):129–144
[Vallado2013]
Vallado, D. A. (2013) “Fundamentals of astrodynamics and applications, 4th edition”, Space Technology Library. Microcosm Press, El Segundo, CA
[Vinti1998]
Vinti, J. P. (1998) “Orbital and celestial mechanics”, Charles Stark Draper Laboratory, Inc., Cambridge, MA