@misc{indiciae685e55645fbb,
  title = {Time-free continuous processes.},
  author = {G Schwarz},
  year = {1968},
  doi = {10.1073/pnas.60.4.1183},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591681/},
  note = {Source identifier: 16591681}
}