@misc{indiciae80a7976a397e,
  title = {On Functional Equations in Linear Topological Spaces.},
  author = {D H Hyers},
  year = {1937},
  doi = {10.1073/pnas.23.9.496},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577803/},
  note = {Source identifier: 16577803}
}