1. S. Boyd, V. Balakrishnan, and P. Kabamba, “A bisection method for computing the H ∞ -norm of a transfer matrix and related problems”, Math. Contr. Sign. & Syst., 2(3), 1989, pp. 207–219.
2. S.P. Boyd and C.H. Barratt, Linear controller design: limits of performance, Information and system sciences, Prentice Hall, Englewood Cliffs, NJ, 1991.
3. J. Choi, “Connections between local stability in Lyapunov and input / output senses”, IEEE Trans. Aut. Contr., 40(12), 1995, pp. 2139 –2143.
4. F.R. Gantmacher, The theory of matrices, Chelsea, New York, 1959.
5. W. Hahn, Stability of motion, vol. 138 of Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen, Springer Verlag, Berlin, 1967.