@article{casas-vázquez_jou_1997,  title={Lagrange Multipliers in Extended Irreversible Thermodynamics and in Informational Statistical Thermodynamics},  volume={27},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97331997000400019},  DOI={10.1590/S0103-97331997000400019},  number={4},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Casas-Vázquez, J. and Jou, D.},  year={1997},  month={Dec},  pages={547–559} }