[1] W. C. Yang and M. Tomizuka, Discrete-time Robust control via state feedback for single input systems, IEEE Traps. Automat. Control., AC-35 (1990). 590-598.
[2] Yu Xianggang ahd Gu Xingyuan, Optimal Robust control for a class of uncertain discrete-time systems. Acta Automat. Sinica, 18, 5(1992), 542-550. (in Chinese)
[3] B. R. Barmish, M. Corless and G. Leitmann, A new class of stabilizing controllers for uncertain dynamical systems, SIAM J. Control Optim.,21,(1983), 246-255.
[4] K. Liu and F. L. Lewis. An Improved result on the stability analysis of nonlinear systems, IEEE Traps. Automat. Control., AC-37. 9 (1992). 1425-1431.
[5] Hua Xiangming, Modeling and Controlling on Bilinear System,East China Institute of Chemical and Industry Pub., Shanghai (1990), 148-166. (in Chinese)
[6] Gao Weibing, Basic of Movement Stability, Advanced Education Pub., Beijing(1987). (in Chinese)