@misc{indiciae076365e50fa2,
  title = {Schwinger terms in charge-density commutators.},
  author = {LN Chang and Y Liang},
  year = {1992},
  doi = {10.1103/physrevd.45.2121},
  url = {https://pubmed.ncbi.nlm.nih.gov/10014587/},
  note = {Source identifier: 10014587}
}