@article{finardi_silva_sagastizábal_2005,  title={Solving the unit commitment problem of hydropower plants via Lagrangian Relaxation and Sequential Quadratic Programming},  volume={24},  ISSN={1807-0302},  url={https://doi.org/10.1590/S0101-82052005000300001},  DOI={10.1590/S0101-82052005000300001},  number={3},  journal={Computational & Applied Mathematics},  publisher={Sociedade Brasileira de Matemática Aplicada e Computacional},  author={Finardi, Erlon C. and Silva, Edson L. da and Sagastizábal, Claudia},  year={2005},  month={Sep},  pages={317–342} }