Z. Lian, Y. He, C. -K. Zhang, P. Shi, and M. Wu, “Robust  $H_{\infty}$  control for
                           T–S fuzzy systems With state and input time-varying delays via delay-product-type
                           functional method,” IEEE Transactions on Fuzzy Systems, vol. 27, no. 10, pp. 1917-1930,
                           2019.
