TY  - RPRT
TI  - Wigner function for nonparaxial wave fields.
AU  - C J Sheppard
AU  - K G Larkin
PY  - 2001
DO  - 10.1364/josaa.18.002486
UR  - https://pubmed.ncbi.nlm.nih.gov/11583265/
ID  - 11583265
ER  -