TY  - RPRT
TI  - Geometric angles in cyclic evolutions of a classical system.
AU  - A Bhattacharjee
AU  - T Sen
PY  - 1988
DO  - 10.1103/physreva.38.4389
UR  - https://pubmed.ncbi.nlm.nih.gov/9900901/
ID  - 9900901
ER  -