Contents of Volume 4, Number 2 April 1996

Existence of Periodic Solutions for a Delay Differential Equation Via the Poincaré Procedure
OVIDE ARINO AND MOULAY LHASSAN HBID
Pages 125 - 148

On a Fuzzy Logistic Difference Equation
ELIAS Y.DEEBA, ANDRE DE KORVIN AND E.L.KOH
Pages 149 - 156

Nonexistence and Uniqueness in Semilinear Elliptic Systems
JEFF S.MCGOUGH
Pages 157 - 176

Stability of Parabolic Volterra Integro-Partial Differential Equations and their discrete analogues
B.SHI, Z.C.WANG AND J.S.YU
Pages 177 - 190

On Sturm Theorem for n-th Order Equations with weight of non constant sign
MARCELLINO GAUDENZI
Pages 191 - 212

Global Stability of Competition in a Spatially Heterogeneous Environment
JOSEF HOFBAUER, JOSEPH W.-H.SO AND YASUHIRO TAKEUCHI
Pages 213 - 224

k-Soliton Structures, Period-doubling and Spatial Chaos in the Periodically Forced Korteweg-de Vries Equation
R.GRIMSHAW AND X.TIAN
Pages 225