@article{melo_vignatti_miyazawa_ota_2023,  title={COMBINATORIAL DUAL BOUNDS ON THE LEAST COST INFLUENCE PROBLEM},  volume={43},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2023.043.00275468},  DOI={10.1590/0101-7438.2023.043.00275468},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Melo, Renato Silva de and Vignatti, André Luís and Miyazawa, Flávio Keidi and Ota, Matheus Jun},  year={2023},  pages={e275468} }