REFERENCES
- GAVEL , D. T. , and ŠILJAK , D. D. , ( 1989 ), I.E.E.E, Trans, autom. Control , 34 , 413 .
- IOANNOU , P. A. , ( 1986 ), I.E.E.E. Trans, autom. Control , 31 , 291 .
- IOANNOU , P. A. , and KOKOTOVIC , P. V. , ( 1984 ), I.E.E.E. Trans, autom. Control , 29 , 202 ; 1985, Automat tea, 21, 401 .
- KATO , T. , 1984 , Perturbation Theory for Linear Operators ( Berlin : Springer-Verlag ).
- KOBAYASHI , T. , ( 1986 ), Int. J. Systems Set. , 17 , 887 ; 1988, Int. J. Control, 48, 289 .
- MICHEL , A. N. , and MILLER , R. K. , 1977 , Qualitative Analysis of Large Scale Dynamical Systems ( New York : Academic Press ).
- MIYASATO , Y. , and KITAMORI , T. , 1985 , Trans. Soc. Instrum. Control Engrs. 21 , 1163 (in Japanese) .
- NARENDRA , K. S. , and ANNASWAMY , A. M. , ( 1987 ), I.E.E.E. Trans, autom. Control , 32 , 134 .
- NARENDRA , K. S. , and VALAVANI , L. S. , ( 1978 ), I.E.E.E. Trans, autom. Control , 23 , 570 .
- SHIMAKURA , N. , 1982 , Partial Differential Operator of Elliptic Type ( Tokyo : Kinokuniya ) (in Japanese) .