PageHeader : Funkcialaj Ekvacioj 18 (1975) 85-92 Title : Favard's Separation Theorem in Functional Title : Differential Equations AuthorInfo : Junji KATO AuthorInfo : (Tohoku University) section : 1. Introduction. section : 2. R-bounded solution of the system in the hull. section : 3. Norm $||\cdot||_{*}$ . section : 4. Proof of Theorem. section : 5. Autonomous system. section : References