@misc{indiciaea266ebdc8a47,
  title = {A Formula for the Stream Function of Certain Flows.},
  author = {S Bergman},
  year = {1943},
  doi = {10.1073/pnas.29.9.276},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578090/},
  note = {Source identifier: 16578090}
}