TY  - RPRT
TI  - Berry's phase for anharmonic oscillators.
AU  - N Datta
AU  - G Ghosh
PY  - 1992
DO  - 10.1103/physreva.46.5358
UR  - https://pubmed.ncbi.nlm.nih.gov/9908780/
ID  - 9908780
ER  -