TY  - RPRT
TI  - Semiclassical matrix elements from periodic orbits
AU  - Eckhardt, B.
AU  - Fishman, S.
AU  - Mueller, K.
AU  - Wintgen, D.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19920046936
ID  - 19920046936
ER  -