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The authors obtain some sufficient conditions for the stability of zero solutions to some types of the functional equation. x(t) +p(t)x(t) +q(t)x(t) +f (t, xt) = 0 by transformations and the Liapunov's Second method. The obtained conclusions generalize some results of Stability of Equation x (t) +p( t) x(t) + q(t)x(t) =0 and Jack Hale in his paper of Theory of Functional Differential Equations. 相似文献
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