@misc{indiciae9017147c3eed,
  title = {Bosonic zero-frequency modes and initial conditions.},
  author = {LH Ford and C Pathinayake},
  year = {1989},
  doi = {10.1103/physrevd.39.3642},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959624/},
  note = {Source identifier: 9959624}
}