Journal of Inequalities and Applications 
Volume 2006 (2006), Article ID 71396, 8 pages
doi:10.1155/JIA/2006/71396

An existence theorem for an implicit integral equation with discontinuous right-hand side

Giovanni Anello

Department of Mathematics, University of Messina, Sant' Agata, Messina 98166, Italy

Received 8 December 2004; Revised 9 March 2005; Accepted 22 March 2005

Abstract

We establish a result concerning the existence of solutions for the following implicit integral equation: g(u(t))=ϕ(t,xo+0tf(τ,u(τ))dτ), where ϕ is not supposed continuous with respect to the second variable.