1. Controller reduction: Concepts and approaches;Anderson;IEEE Transactions on Automatic Control,1989
2. Weighting function selection in the H∞ design process;Beaven;Control Engineering Practice,1996
3. Ceton, C., Wortelboer, P. M. R., & Bosgra, O. H. (1993). Frequency weighted closed-loop balanced reduction. In Proceedings of the second European control conference, Vol. 2, Groningen, The Netherlands (pp. 697–701).
4. State-space solutions to standard H2 and H∞ control problems;Doyle;IEEE Transactions on Automatic Control,1989
5. A four-block problem for H∞ design: Properties and applications;Englehart;Automatica,1991