PageHeader : Funkcialaj Ekvacioj, 8 (1966), 99-108 Title : Note on Regular Perturbations of Linear Ordinary Title : Differential Equations at Irregular Title : Singular Points AuthorInfo : By Po-Fang HSIEH and Yasutaka SIBUYA*) AuthorInfo : (Western Michigan University and University of Minesota) section : 1. Introduction section : 2. Case of n distinct eigenvalues subsection : 3. Two point connection problem for second order linear ordinary differential equations with polynomial coefficients section : References