Wen Yu 0001 Francisco Vega Nonlinear system modeling using the takagi-sugeno fuzzy model and long-short term memory cells. 4547-4556 2020 39 J. Intell. Fuzzy Syst. 3 https://doi.org/10.3233/JIFS-200491 db/journals/jifs/jifs39.html#YuV20