TY  - RPRT
TI  - Generalized covariance condition and quantization in curved configuration space.
AU  - Y Ze-sen
AU  - L Xian-hui
AU  - Q Hui
AU  - D Wei-zhen
PY  - 1993
DO  - 10.1103/physreva.47.2574
UR  - https://pubmed.ncbi.nlm.nih.gov/9909225/
ID  - 9909225
ER  -