@article{alvarezmiranda:hal-01666285, TITLE = {{Lagrangian and branch-and-cut approaches for upgrading spanning tree problems}}, AUTHOR = {{\'A}lvarez-Miranda, Eduardo and Sinnl, Markus}, URL = {https://inria.hal.science/hal-01666285}, JOURNAL = {{Computers and Operations Research}}, PUBLISHER = {{Elsevier}}, VOLUME = {83}, PAGES = {13-27}, YEAR = {2017}, MONTH = Jul, DOI = {10.1016/j.cor.2017.01.014}, HAL_ID = {hal-01666285}, HAL_VERSION = {v1}, }