@article{bazanella_reginatto_valiatti_2002,  title={Robustness margins for global asymptotic stability in indirect field-oriented control of induction motors},  volume={13},  ISSN={0103-1759},  url={https://doi.org/10.1590/S0103-17592002000300009},  DOI={10.1590/S0103-17592002000300009},  number={3},  journal={Sba: Controle & Automação Sociedade Brasileira de Automatica},  publisher={Sociedade Brasileira de Automática},  author={Bazanella, A.S. and Reginatto, R. and Valiatti, R.},  year={2002},  month={Sep},  pages={307–313} }