TY  - RPRT
TI  - Possible conserved quantity for the Hénon-Heiles problem.
AU  - P Finkler
AU  - CE Jones
AU  - GA Sowell
PY  - 1990
DO  - 10.1103/physreva.42.1931
UR  - https://pubmed.ncbi.nlm.nih.gov/9904241/
ID  - 9904241
ER  -