Exact(60)
Necessity: Now, the zero solution of system (3.1) is stable, and we must prove that there exist a function u ( s ) and a functional V ( t, ϕ ) that satisfy the conditions of the theorem.
If there exist a function, positive numbers and satisfying (2.70).
For any, there must exist a function such that,.
If there exist a function and numbers such that (2.15).
Suppose that there exist a function such that (3.12).
Suppose that there exist a function, defined on, and a function such that.
Assume that there exist a function being rd-continuous and functions, defined on, such that (3.17).
If there exist a function and a number such that (2.56).
If there exist a function,, and positive numbers and with (328).
Assume that there exist a function, a function, and constants, satisfying (33).
There exist a function (varthetain L^{1}(mathscr {I},mathbb{R}^)) and a continuous non-decreasing function to ensure that.
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