Bounded Solutions of the Second Order Differential Equation x ?+f(x) x ?+g(x)=u(t)
Keyword(s):
In this paper we prove the boundedness of the solutions and their derivatives of the second order ordinary differential equation x ?+f(x) x ?+g(x)=u(t), under certain conditions on f,g and u. Our results are generalization of those given in [1].
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