Takács, Donát M., and Tamás Fülöp. “On the Coordinate System-Dependence of the Accuracy of Symplectic Numerical Methods”. J. Numer. Anal. Approx. Theory (September 11, 2025). Accessed October 19, 2025. https://www.ictp.acad.ro/jnaat/journal/article/view/1577.