@misc{indiciaebdc06f91655d,
  title = {Power series expansion for the time evolution operator with a harmonic-oscillator reference system.},
  author = {AN Drozdov},
  year = {1995},
  doi = {10.1103/physrevlett.75.4342},
  url = {https://pubmed.ncbi.nlm.nih.gov/10059885/},
  note = {Source identifier: 10059885}
}