PageHeader : Funkcialaj Ekvacioj, 8 (1986), 143-171 Title : On Turning Point Problems for Systems with Title : Almost Diagonal Coefficient Matrix AuthorInfo : By Wolfgang WASOW AuthorInfo : (University of Wisconsin)* section : Introduction section : Chapter I. Simplification of Systems of Order $n$ subsection : 1. Formal simplification. subsection : 2. Analytic Simplification subsection : 3. Application to Self-Adjoint Systems section : Chapter II. Uniform Series Solution when $n=2$ subsection : 4. Further Simplifications when $n=2$ subsection : 5. Formal Series Solutions when $n=2$ subsection : 6. Digression on Certain Asymptotic Series subsection : 7. A Particular Formal Series Solutions for the Differential Equation subsection : 8. The Asymptotic Character of the Formal Solution subsection : 9. Complete Solution of the Differential Equation section : References