@article{silva_drigo filho_ruggiero_2008,  title={Thermodynamic analysis of a non linear lattice},  volume={38},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332008000300010},  DOI={10.1590/S0103-97332008000300010},  number={3a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Silva, R. A. S. and Drigo Filho, E. and Ruggiero, J. R.},  year={2008},  month={Sep},  pages={362–366} }