PageHeader : Funkcialaj Ekvacioj, 9 (1966), 207-218
Title : The Problem of Singular Perturbations of Linear
Title : Ordinary Diff.erential Equations at
Title : Regular Singular Points, I
AuthorInfo : By David L. $\mathrm{R}\mathrm{U}\mathrm{S}\mathrm{S}\mathrm{E}\mathrm{L}\mathrm{L}^{*)}$ and Yasutaka $\mathrm{S}\mathrm{I}\mathrm{B}\mathrm{U}\mathrm{Y}\mathrm{A}^{**)}$
AuthorInfo : (University of Wisconsin and University of $\mathrm{n}\mathrm{e}\mathrm{s}\mathrm{o}\mathrm{t}\mathrm{a}$ )
section : I. Introduction.
subsection : 1. Main Problem.
subsection : 2. Works of M. Hukuhara and H. L. Turrittin.
subsection : 3. Block-diagonalization theorems.
subsection : 4. A block-triangularization theorem.
subsection : 5. Triangularization of systems involving regular perturbation.
subsection : 6. Main result; Triangularization of systems involving singular per- turbation.
section : References