@article{klen_lana_2014,  title={Fuzzy Algorithm of discontinuity sets},  volume={67},  ISSN={0370-4467},  url={https://doi.org/10.1590/0370-44672014670178},  DOI={10.1590/0370-44672014670178},  number={4},  journal={Rem: Revista Escola de Minas},  publisher={Escola de Minas},  author={Klen, André Monteiro and Lana, Milene Sabino},  year={2014},  month={Oct},  pages={439–445} }