1. Dichotomies and reducibility;Coppel;J. Differential Equations,1967
2. Almost periodic solutions to forced Lienard equations;Fink,1974
3. Convergence and almost periodicity of solutions of forced Lienard equations;Fink;SIAM J. Appl. Math.,1974
4. Ordinary Differential Equations;Hale,1969
5. Stability of solutions of linear systems with dominant main diagonal;Kahane,1972