PageHeader : Funkcialaj Ekvacioj, 16 (1973), 195-211 Title : Appoxim-ation and Existence of Solutions Title : to Ordinary Differential Equations in Title : Banach Spaces* AuthorInfo : By Robert H. MARTIN, JR. AuthorInfo : (North Carolina State University) section : 1. Introduction. section : 2. Approximate Solutions. section : 3. Existence Criteria. section : 4. Nonlinear Operator Equations. section : References