Stability of linear time-varying systemsFootnote†

†Communicated by the Authors.

REFERENCES

• BROCKETT , R. W. , 1966 , I.E.E.E. Trans, autom. Control , 11 , 596 .
   Web of Science ®Google Scholar
• CESART , L. , 1963 , Asymptotic Behaviour ands Stability Problems in Ordinary Differential Equations ( Berlin : Springer-Verlag ).
   Google Scholar
• HAHN , W. , 1963 , Theory and Application of Lyapunov's Direct Method ( Prentice Hall , U.S.A .).
   Google Scholar
• KALMAN , R. E. , and BERTRAM , J. E. , 1960 , J. bas. Engng , 82 , 371 .
   Google Scholar
• LA SALLE , J. P. , and RATH , R. J. , 1964 , I.F.A.C. , Basle , Switzerland , p. 556 .
   Google Scholar
• PARKS , P. C. , 1963 , I.E.E.E. Trans, autom. Control , 8 , 270 .
   Google Scholar
• SILVERMAN , L. M. , 1966 , I.E.E.E. Trans, autom. Control , 11 , 300 .
   Web of Science ®Google Scholar
• ZADEH , L. A. , 1951 , J. appl. Phys. , 22 , 402 .
   Google Scholar
• †Communicated by the Authors.
   Google Scholar