REFERENCES
- HOROWITZ , I. , 1975 , I.E.E.E. Trans, avtom. Control , 20 , 454 ; 1976, Proc. Instn.elect. Enrjrs, 64, 123 ; 1979, Int. J. Control, 30, 81 ; 1981, Int. J. Systems Set., 12, 55 .
- HOROWITZ , J. , and Scuuu , D. , 1980 , Int. J. Control , 32 , 199 .
- HOROWITZ , I. , and SIDI , M. , 1972 , Int. J. Control , 16 , 287 .