@article{toledo_shiguemoto_2005,  title={Lot-sizing problem with several production centers},  volume={25},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382005000300010},  DOI={10.1590/S0101-74382005000300010},  number={3},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Toledo, Franklina Maria Bragion de and Shiguemoto, André Luís},  year={2005},  month={Sep},  pages={479–492} }