@article{yanasse_2008,  title={Carta do editor: uma nova fase da revista Pesquisa Operacional},  volume={28},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382008000200001},  DOI={10.1590/S0101-74382008000200001},  number={2},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Yanasse, Horacio Hideki},  year={2008},  month={May},  pages={201–201} }