1. Ordinary differential operators in Hilbert spaces and Fredholm pairs;Abbondandolo;Math. Z.,2003
2. Dichotomy of systems and linear ordinary differential operators;Ben-Artzi;Oper. Theory, Adv. Appl.,1992
3. Invertibility and dichotomy of differential operators on a half-line;Ben-Artzi;J. Dyn. Differ. Equ.,1993
4. Recent trends in the theory of boundary value problems for ordinary differential equations;Conti;Boll. Unione Mat. Ital., Ser. 3,1967
5. Dichotomies in Stability Theory;Coppel,1978