TY  - RPRT
TI  - Condition for a bivariate normal probability distribution in phase space to be a quantum state.
AU  - J Krüger
PY  - 1992
DO  - 10.1103/physreva.46.5385
UR  - https://pubmed.ncbi.nlm.nih.gov/9908785/
ID  - 9908785
ER  -