@misc{indiciae9657dbfc6e2a,
  title = {SQUARE-INTEGRABLE DIFFERENTIALS ON OPEN RIEMANN SURFACES.},
  author = {L V Ahlfors},
  year = {1956},
  doi = {10.1073/pnas.42.10.758},
  url = {https://pubmed.ncbi.nlm.nih.gov/16589944/},
  note = {Source identifier: 16589944}
}