@misc{indiciae6d6e3af3c4a8,
  title = {Isotropic time-dependent coupled oscillators.},
  author = {MS Abdalla},
  year = {1987},
  doi = {10.1103/physreva.35.4160},
  url = {https://pubmed.ncbi.nlm.nih.gov/9898004/},
  note = {Source identifier: 9898004}
}