@misc{indiciae246ae0a18adb,
  title = {DEGREE OF APPROXIMATION BY BOUNDED HARMONIC FUNCTIONS.},
  author = {J L Walsh},
  year = {1960},
  doi = {10.1073/pnas.46.10.1390},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590763/},
  note = {Source identifier: 16590763}
}