1. Optimal Low Sensitivity Linear Feedback Systems;Kwakemaak;Automatica,1969
2. Robustness with Observers;Doyle;IEEE Transactions on Automatic Control,1979
3. The LQG/LTR Procedure for Multivariable Feedback Control Design;Stein;IEEE Transactions on Automatic Control,1987
4. Zeros of Sampled Systems;Astrom;Automatica,1984
5. Asymptotic Recovery for Discrete-Time Systems;Maciejowski;IEEE Transactions on Automatic Control,1985