FANG, Y.; LIN , C. Observer-Based Proportional Derivative Control for Takagi-Sugeno Fuzzy Singular Systems with Time Delay. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 6318–6332, 2025. DOI: 10.37256/cm.6520255849. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/5849. Acesso em: 10 jan. 2026.