1. Asymptotically Almost Periodic Solutions of Inhomogeneous Cauchy Problems on The Half-Line
2. [2] Arendt, W., Räbiger, F., Sourour, A., Spectral properties of the operators equations AX +XB=Y, Quart. J. Math. Oxford (2), 45 (1994), 133-149.
3. [3] Arendt, W., Batty, C. J. K., Hieber, M., Neubrander, F., Vector-Valued Laplace Transforms and Cauchy Problems, Birkhäser, Basel-Boston-Berlin, 2001.
4. [4] Bart, H., Goldberg, S., Characterizations of almost periodic strongly continuous groups and semigroups, Math. Ann., 236 (1978), no. 2, 105-116.
5. [5] Cassell, J. S., Zhan Yuan Hou, Asymptotically diagonal linear differential equations with retardation, J. London Math. Soc., (2) 47 (1993), no. 3, 473-483.