@misc{indiciae7d16c3336bcf,
  title = {Master equation for a damped nonlinear oscillator.},
  author = {F Haake and H Risken and C Savage and D Walls},
  year = {1986},
  doi = {10.1103/physreva.34.3969},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897742/},
  note = {Source identifier: 9897742}
}