PageHeader : Funkcialaj Ekvacioj, 34 (1991) 211-221 Title : On a Fourth Order Fuchsian Differential Equation Title : of Okubo Type AuthorInfo : By AuthorInfo : Takao SASAI and Susumu TSUCHIYA AuthorInfo : (Tokyo Metropolitan University and Josai University, Japan) AuthorInfo : Dedicated to Professor Tosihusa Kimura on his 60th birthday. section : Introduction section : 1. Preliminaries section : 2. Monodromy group section : 3. Irreducibility conditions section : References