Electronic Journal of Differential Equations,
Vol. 2001(2001), No. 55, pp. 1-11.

Title: L^p perturbations in delay differential equations
   
Authors: Samuel Castillo (Univ.  del Bio-Bio, Concepcion, Chile)
         Manuel Pinto (Univ. de Chile, Santiago, Chile)

Abstract:  
 We present extensions and new proofs for the asymptotic formulae and 
 theorems in Cooke [3] for differential equations with variable delay.
 Explicit asymptotic formulae, examples and comparisons with the classical 
 results are given here.
  
Submitted January 11, 2001. Published July 27, 2001.
Math Subject Classifications: 34K25, 34K20.
Key Words: Delay differential equations; variable delay;
           integral-differential equation; asymptotic formula.