Boukal, Y., Darouach, M., Zasadzinski, M., & Radhy, N. (2026). Correction to the Unknown Input Observer Design for Linear Fractional-Order Time-Delay Systems and a New Enhanced LMI Condition. Journal of Applied Nonlinear Dynamics, 7(1), 73-79. https://doi.org/10.5890/JAND.2018.03.006