by Grimm, V. and Scherer, R.
Reference:
A generalized $W$-transformation for constructing symplectic partitioned Runge–Kutta methods (Grimm, V. and Scherer, R.), In BIT, volume 43, 2003.
Bibtex Entry:
@article {10.1023/A:1023676219630,
AUTHOR = {Grimm, V. and Scherer, R.},
TITLE = {A generalized {$W$}-transformation for constructing symplectic
partitioned {R}unge--{K}utta methods},
JOURNAL = {BIT},
FJOURNAL = {BIT. Numerical Mathematics},
VOLUME = {43},
YEAR = {2003},
MONTH = {mar},
NUMBER = {1},
PAGES = {57--66},
ISSN = {0006-3835},
DOI = {10.1023/A:1023676219630},
URL = {https://doi.org/10.1023/A:1023676219630},
PPURL = {/download/papers/gwtrafo.pdf},
}