Hung-Lung Wang. An Optimal Algorithm for the Weighted Backup 2-Center Problem on a Tree. Algorithmica, 77(2):426-439, 2017. [doi]
@article{Wang17-6,
title = {An Optimal Algorithm for the Weighted Backup 2-Center Problem on a Tree},
author = {Hung-Lung Wang},
year = {2017},
doi = {10.1007/s00453-015-0081-z},
url = {http://dx.doi.org/10.1007/s00453-015-0081-z},
researchr = {https://researchr.org/publication/Wang17-6},
cites = {0},
citedby = {0},
journal = {Algorithmica},
volume = {77},
number = {2},
pages = {426-439},
}