DENISENKO, V. S.; MARTYNYUK, A. A.; SLYN'KO, V. I. On the mappings preserving the Lyapunov stability of Takagi–Sugeno fuzzy systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 5, p. 641–649, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3047. Acesso em: 7 apr. 2025.