@Article{, title={Solvability of Semilinear Initial Value Perturbed Control Problems with Unbounded Control Operators}, author={Radhi A .Zboon and Jehad R.Kider and Samir K .Hassan}, journal={Engineering and Technology Journal مجلة الهندسة والتكنولوجيا}, volume={29}, number={8}, pages={1497-1508}, year={2011}, abstract={In this paper the local existence and uniqueness of the mild solution to some operatorsemi-linear initial value control problem were studied and developed by using thetheory of perturbation, composite, admissibility and "Banach contraction principle", inarbitrary Hilbert space H via perturbation composite semigroup approach.

} }