@misc{indiciaeb4f89fcc15d6,
  title = {Signature quantization.},
  author = {Victor Guillemin and Shlomo Sternberg and Jonathan Weitsman},
  year = {2003},
  doi = {10.1073/pnas.1735527100},
  url = {https://pubmed.ncbi.nlm.nih.gov/14569022/},
  note = {Source identifier: 14569022}
}