MARTYNYUK, A. A.; MARTYNYUK-CHERNIENKO, Yu. A. Stability of motion of nonlinear systems with fuzzy characteristics of parameters. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 1, p. 50–70, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2555. Acesso em: 6 dec. 2025.