@misc{indiciae6f7ac57018b9,
  title = {Dynamical singularities in ultradiffusion.},
  author = {WP Keirstead and BA Huberman},
  year = {1987},
  doi = {10.1103/physreva.36.5392},
  url = {https://pubmed.ncbi.nlm.nih.gov/9898809/},
  note = {Source identifier: 9898809}
}