TY  - RPRT
TI  - Classical limit in quantum cosmology: Quantum mechanics and the Wigner function.
AU  - S Habib
PY  - 1990
DO  - 10.1103/physrevd.42.2566
UR  - https://pubmed.ncbi.nlm.nih.gov/10013124/
ID  - 10013124
ER  -