@article{ferreira_luna_mahey_souza_2013,  title={Global optimization of capacity expansion and flow assignment in multicommodity networks},  volume={33},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382013005000004},  DOI={10.1590/S0101-74382013005000004},  number={2},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Ferreira, Ricardo Poley Martins and Luna, Henrique Pacca Loureiro and Mahey, Philippe and Souza, Mauricio Cardoso de},  year={2013},  month={May},  pages={217–234} }