@misc{indiciaeb82a1158f167,
  title = {High-order harmonic generation processes in classical and quantum anharmonic oscillators.},
  author = {P Balcou and A L'Huillier and D Escande},
  year = {1996},
  doi = {10.1103/physreva.53.3456},
  url = {https://pubmed.ncbi.nlm.nih.gov/9913288/},
  note = {Source identifier: 9913288}
}