1. Robustness of a design method based on assignment of poles and zeros
2. An algebra of transfer functions for distributed linear time-invariant systems
3. CHEN , M. J. , DESOER , C. A. , and FRANKLIN , G. F. , 1981 , Memo. UCB/ERL M81/12 , University of California , Berkeley ; 1981, Proc. 20th I.E.E.E., Conf. Decision and Control, pp. 133–136 .
4. CHENG , V. H. L. , and DESOER , C. A. , 1980 , Memo. UCB/ERL M80/49 , University of California , Berkeley .