1. The robust control of a servo-mechanism problem for linear time-invariant multi-variable systems;Davison;IEEE Trans. on Automat. Contr.,1976
2. Ishihara, T., L.A. Zheng (2005). Target duality in LTR with a reduced order observer, Proc.2005 CACS Automatic Control Conference,198–203.
3. Integral controller design based on disturbance cancellation: Partial LTR approach for non-minimum phase plants;Ishihara;Automatica,2005
4. Ishihara, T., L.A. Zheng and H.-J. Guo (2006). Asymptotic sensitivity properties of Davison type integral controllers for non-minimum phase plants, Proc. of 17th International Symposium on Mathematical Theory of Network and Systems, 2296-2601.
5. Ishihara, T. and H.-J. Guo (2007). LTR design of integral controllers for time-delay plants using disturbance cancellation, to appear in Int. J. Control.