@misc{indiciaead5dba348124,
  title = {DIRICHLET SPACES.},
  author = {A Beurling and J Deny},
  year = {1959},
  doi = {10.1073/pnas.45.2.208},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590372/},
  note = {Source identifier: 16590372}
}