PageHeader : Funkcialaj Ekvacioj, 41 (1998) 215-234 Title : Radial Symmetry of Positive Solutions for Semilinear Elliptic Title : Equations on the Unit Ball in $R^{n}$ AuthorInfo : By AuthorInfo : Y?ki NAITO and Takashi SUZUKI AuthorInfo : (Kobe University and Osaka University, Japan) section : 1. Introduction section : 2. Preliminaries section : 3. Proof of Theorem 1 section : 4. Proof of Theorem 2 section : Appendix section : References