@misc{indiciae32d720701211,
  title = {Fast marching methods for the continuous traveling salesman problem.},
  author = {June Andrews and J A Sethian},
  year = {2007},
  doi = {10.1073/pnas.0609910104},
  url = {https://pubmed.ncbi.nlm.nih.gov/17220271/},
  note = {Source identifier: 17220271}
}