TY  - RPRT
TI  - On the Function in Quantum Mechanics Which Corresponds to a Given Function in Classical Mechanics.
AU  - N H McCoy
PY  - 1932
DO  - 10.1073/pnas.18.11.674
UR  - https://pubmed.ncbi.nlm.nih.gov/16577495/
ID  - 16577495
ER  -