PageHeader : Funkcialaj Ekvacioj, 40 (1997) 41-55 Title : Oscillation Theory for Semilinear Elliptic Equations with Title : Arbitrary Nonlinearities AuthorInfo : By AuthorInfo : Manabu NAITO, Y?ki NAITO and Hiroyuki USAMI AuthorInfo : (Ehime University, Kobe University and Hiroshima University, Japan) section : 1. Introduction section : 2. Reduction to one-dimensional problems section : 3. Oscillation theory for one-dimensional problems section : 4. Oscillation theory for elliptic equations section : References