TY  - RPRT
TI  - Semiclassical matrix elements from periodic orbits.
AU  - B Eckhardt
AU  - S Fishman
AU  - K Müller
AU  - D Wintgen
PY  - 1992
DO  - 10.1103/physreva.45.3531
UR  - https://pubmed.ncbi.nlm.nih.gov/9907400/
ID  - 9907400
ER  -