@misc{indiciae4c5afd738716,
  title = {Current-density-functional theory for time-dependent systems.},
  author = {BX Xu and AK Rajagopal},
  year = {1985},
  doi = {10.1103/physreva.31.2682},
  url = {https://pubmed.ncbi.nlm.nih.gov/9895803/},
  note = {Source identifier: 9895803}
}