1. Linear Systems and Operators in Hilbert Space;Fuhrmann,1981
2. Stability is realization-dependent: some examples;Zwart;Syst. Control Lett.,1995
3. On the transfer matrix of a neutral system: Characterizations of exponential stability in input-output terms;Logemann;Syst. Control Lett.,1987
4. Semigroups of Linear Operators and Applications to Partial Differential Equations;Pazy,1983
5. Théorie des Distributions;Schwartz,1966