@misc{indiciae14199c9c0d00,
  title = {Approximation algorithms.},
  author = {A S Schulz and D B Shmoys and D P Williamson},
  year = {1997},
  doi = {10.1073/pnas.94.24.12734},
  url = {https://pubmed.ncbi.nlm.nih.gov/9370525/},
  note = {Source identifier: 9370525}
}