1. Lyapunov functions for strong exponential dichotomies
2. L. Barreira, Ya. Pesin, Lyapunov exponents and smooth ergodic theory, University Lecture Series, Vol. 23, Amer. Math. Soc., 2002.
3. Existence and Roughness of the Exponential Dichotomy for Skew-Product Semiflow in Banach Spaces
4. Ju. Dalec'kiĭ, M. Kreĭn, Stability of solutions of differential equations in Banach space, Translations of Mathematical Monographs, Vol. 43, American Mathematical Society, 1974.
5. B. Levitan, V. Zhikov, Almost periodic functions and differential equations, Cambridge University Press, 1982.