Electronic Journal of Differential Equations,
Vol. 2008(2008), No. 118, pp. 1-14.

Title: Ambrosetti-Prodi type results in a system of second and
       fourth-order ordinary differential equations
  
Authors: Yukun An  (Nanjing Univ., Nanjing, China)
         Jing Feng (Nanjing Univ., Nanjing, China)
 
Abstract:
 In this paper, by the variational method, we study the
 existence, nonexistence, and multiplicity of solutions
 of an Ambrosetti-Prodi type problem for a system of second
 and fourth order ordinary differential equations.
 
Submitted  March 17, 2008. Published August 25, 2008.
Math Subject Classifications: 34B08, 34B15, 34L30, 47J30.
Key Words: Differential system; Ambrosetti-Prodi type problem;
           subsolution; supersolution; variational method.