@misc{indiciae566cb471aa83,
  title = {Geometric phase and the generalized invariant formulation.},
  author = {XC Gao and JB Xu and TZ Qian},
  year = {1991},
  doi = {10.1103/physreva.44.7016},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905842/},
  note = {Source identifier: 9905842}
}