PageHeader : Funkcialaj Ekvacioj, 13 (1970), 51-59 Title : On Algebraic Differential Equations AuthorInfo : By Yasutaka SIBUYA1) AuthorInfo : (University of Minnesota) AuthorInfo : Dedicated to Professor Tokui Sat? on the Occasion of His Retirement section : 1. Introduction. section : 2. Main theorem. section : 3. An example. section : 4. Proof of main theorem : Part I. section : 5. Proof of main theorem Part II. section : References