PageHeader : Funkcialaj Ekvacioj, 41 (1998) 25-54 Title : On Second Order Quasilinear Oscillations AuthorInfo : By AuthorInfo : WANG Jingfa AuthorInfo : (Hiroshima University, Japan) section : 0. Introduction section : 1. Oscmation and nonoscillation criteria?Sufficient conditions section : 2. Oscillation and nonoscillation criteria?Necessary and sufficient conditions section : 3. OsciUation and nonoscillation theorems based on methods for half-linear equations section : 4. Extension and application section : I. Existence of nonoscillatory solutions section : II. OsciUation of all solutions section : References