1. Theory of Functional Differential Equations;Hale,1977
2. Real and Complex Analysis;Rudin,1966
3. Optimization by Vector Space Methods;Luenberger,1969
4. Characterization of the controlled states in W2(1) of linear hereditary systems;Banks;SIAM J. Control,1975
5. Functional Analysis and Time Optimal Control;Hermes,1969