@misc{indiciae0af013c6a505,
  title = {Generalized covariance condition and quantization in curved configuration space.},
  author = {Y Ze-sen and L Xian-hui and Q Hui and D Wei-zhen},
  year = {1993},
  doi = {10.1103/physreva.47.2574},
  url = {https://pubmed.ncbi.nlm.nih.gov/9909225/},
  note = {Source identifier: 9909225}
}