1. Synthesis problem for periodic systems by static output feed-back;Aliev;Applied and Computational Mathematics,2005
2. Ayels, D. and J.L. Willems (1993). Pole assignment for linear periodic second order systems by means of periodic memoryless output feed-back. In: 32th IEEE Conference on Decision and Control. San Antonio, Texas.
3. Analysis of optimal-cost sensitivity to parameter changes;Brobrovsky;IEEE Transactions on Automatic Control,1971
4. Optimal Output Feedback for Linear Time-Periodic Systems;Calise;Journal of Guidance, Control and Dynamics,1992
5. Static Output Feedback Control for Periodically Time-Varying Systems;Chen;IEEE Transactions on Automatic Control,1999