Contents of Volume 12, 2004 Numbers 3&4, July & October

Maximum Principles for Fourth Order Semilinear Elliptic Equations with Applications
D.B. Dhaigude and M.R. Gosavi
Pages 279 - 288

On The Existence of Limit Cycles for Some Class of Polynomial Planar Systems
Jaume Gin
Pages 289 - 300

On Bionomic Model of Integrated Pest Management of a Single Pest Population
D. K. Bhattacharya and S. Karan
Pages 301 - 330

A Second Order Splitting Lumped Mass Finite Element Method for the Rosenau Equation
Sang K. Chung and Amiya K. Pani
Pages 331 - 352

Local Existence for a Class of Partial Neutral Functional Di erential Equations with Infinite Delay
Mostafa Adimy, Hassane Bouzahir, and Khalil Ezzinbi
Pages 353 - 370

A Higher Order Petrov-Galerkin Method For Systems of Nonlinear Parabolic Equations with Time Delays
S.M. Choo, S.K. Chung, and Y.H. Kim
Pages 371 - 390

Uniform Lipschitz Stability of Nonlinear Di erential System Based on an Integral Inequality
Guo Shuli, Yan Shaoze, and Si Ligeng
Pages 391