@misc{indiciae7a923c273fe9,
  title = {Non-Abelian geometric phase and generalized invariant method.},
  author = {O Kwon and C Ahn and Y Kim},
  year = {1992},
  doi = {10.1103/physreva.46.5354},
  url = {https://pubmed.ncbi.nlm.nih.gov/9908779/},
  note = {Source identifier: 9908779}
}