Andreas Westerlund, Maud Göthe-Lundgren, Torbjörn Larsson. A note on relatives to the Held and Karp 1-tree problem. Oper. Res. Lett., 34(3):275-282, 2006. [doi]
@article{WesterlundGL06:0,
title = {A note on relatives to the Held and Karp 1-tree problem},
author = {Andreas Westerlund and Maud Göthe-Lundgren and Torbjörn Larsson},
year = {2006},
doi = {10.1016/j.orl.2005.04.010},
url = {http://dx.doi.org/10.1016/j.orl.2005.04.010},
researchr = {https://researchr.org/publication/WesterlundGL06%3A0},
cites = {0},
citedby = {0},
journal = {Oper. Res. Lett.},
volume = {34},
number = {3},
pages = {275-282},
}