@ARTICLE {31816,
author={F.  Barbosa and A.  Agra and A. F. Sousa},
doi={10.1016/j.cor.2021.105453},
journal={Computers and Operations Research},
title={The minimum cost network upgrade problem with maximum robustness to multiple node failures},
year={2021},
month={December},
volume={136},
number={105453},
pages={1-16},
ISSN={0305-0548}
}