@inbook{+2011+1+58,
url = {https://doi.org/10.1515/9781400841103.1},
title = {Chapter 1. The Problem},
booktitle = {The Traveling Salesman Problem},
booktitle = {A Computational Study},
publisher = {Princeton University Press},
address = {Princeton},
pages = {1--58},
doi = {doi:10.1515/9781400841103.1},
isbn = {9781400841103},
year = {2011},
lastchecked = {2026-05-03}
}