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doi:10.1016/j.camwa.2004.07.012 
Copyright © 2005 Published by Elsevier Ltd.
Constant-sign solutions for a system of integral equations on time scales
Received 1 June 2004;
accepted 1 July 2004.
Available online 25 April 2005.
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Abstract
We consider the following system of integral equations on a time scale T,
Using a nonlinear alternative of Leray-Schauder type and Krasnosel'skii's fixed-point theorem, we establish the existence of one or more constant-sign solutions of the system. The generality of the results obtained is illustrated through application to boundary value problems.
Keywords: Constant-sign solutions; System of integral equations; Boundary value problems; Time scales
