@misc{indiciae44f45d045f6e,
  title = {Minimax Principle for Functions.},
  author = {M R Hestenes},
  year = {1936},
  doi = {10.1073/pnas.22.2.115},
  url = {https://pubmed.ncbi.nlm.nih.gov/16588054/},
  note = {Source identifier: 16588054}
}