1. Tauberian theorems and stability of one-parameter semigroups,;W. Arendt;Trans. Amer. Soc. Math.,1988
2. One-Parameter Semigroups of Positive Operators,;W. Arendt;Lecture Notes in Mathematics,1184
3. Modeling, stabilization and control of serially connected beams,;G. Chen;SIAM J. Control Optim.,1987
4. The euler-bernoulli beam equation with boundary energy dissipation,;G. Chen;in Operator Methods for Optimal Control Problems (ed. S. J. Lee),1987
5. The rate at which energy decays in a string damped at one end,;S. Cox;Indiana Univ. Math. J.,1995