1. Doyle, J. C., Glover, K., Khargonekar, P. P., and Francis, B. A., “State-space solutions to standard H2 and H∞ control problems,” IEEE Transactions on Automatic Control, 34, 1989, pp. 831–847.
2. Tadmor, G., “Worst-case design in the time-domain: the maximum principle and the standard Hoo problem,” Mathematics of Control, Signals, and Systems, 3, 1990, pp. 301–324.
3. Limebeer, D. J. N., Anderson, B. D. O., Khargonekar, P. P., and Green, M., “A game theoretic approach to H∞ for time-varying systems,” SIAM Journal on Control and Optimization, 30, 1992, pp. 262–283.
4. Stoorvogel, A.A. and Trentelman, H.L., “The finite horizon singular time-varying H∞ control problem with dynamic measurement feedback,” COSOR memorandum
89–33, Eindhoven University of Technology, 1989.
5. Trentelman, H.L. and Stoorvogel, A.A., “Completion of the squares in the finite horizon H∞ control problem by measurement feedback,” in New Trends in System Theory, edited by G. Conte, A. M. Perdon, and B. Wyman, Proc. of the Università di Genova-The Ohio State University Joint Conference, Birkhauser, Boston, 1991.