TY  - RPRT
TI  - Torus structure in higher-dimensional Hamiltonian systems.
AU  - G Györgyi
AU  - FH Ling
AU  - G Schmidt
PY  - 1989
DO  - 10.1103/physreva.40.5311
UR  - https://pubmed.ncbi.nlm.nih.gov/9902798/
ID  - 9902798
ER  -